Richard Abdy is a numismatist and Curator of Roman Coins at the London British Museum, covering the middle imperial period of the second century AD through to late antiquity. His responsibilities include the processing of treasure cases found in England and Wales.
Mikhail Abramzon is a numismatist and archaeologist. At Nosov Magnitogorsk State Technical University, he is Director of the Research Institute for Historical Anthropology and Philology. His research focuses particularly on coinages of the Bosporan Kingdom.
Michael Alram is one of the most distinguished numismatists of our time who not only holds the highest functions at an international organizational level, but also organizes exhibitions that receive wide attention. His center of interest is the Ancient Orient.
Michel Amandry is a multiple-award winning numismatist. The academic interest of the Honorary Director of the Cabinet des Médailles of the Bibliothèque nationale de France focus on the coinage of Roman Imperial times.
Born in Ticino, Carmen Arnold-Biucchi combines theory and practice: In her capacity as Curator, she is responsible for the collection of ancient coins at the distinguished Harvard Art Museums, and is also teaching numismatics in the Classics Department at Harvard.
Ermanno A. Arslan is one of the most renowned Italian researchers and authors on archaeology and numismatics. Among the key academic interests of the former INC Vice-president and conservator at several museums are Italian numismatics of early medieval times.
Philip Attwood is an art historian and numismatist. He was Keeper of Coins and Medals at the British Museum, London, from 2010 to 2020. His work focuses particularly on Italian sixteenth century and British nineteenth century medals as well as badges.
Khadijeh (Zohreh) Baseri is an Iranian numismatist. In Tehran, she serves as keeper and curator of coins and seals at the National Museum of Iran.
Alexander Basok is a numismatist, coin dealer and author. This specialist for coins from his native country Russia as well as Eastern Europe, living today in the USA, has his own coin dealership called “Rusty Penny”.
Daniel Baumbach is a numismatist and historian with a heart for medals. Since November 2019, he has been working for CoinsWeekly and the Numismatic Press Service Kampmann.
Albert M. Beck founded the MünzenRevue and had been its chief editor for many decades. Founded in 1972, his Basel Coin Fair, renamed World Money Fair, became the most important market place for modern numismatics worldwide.
Simon Bendall knows the numismatic world in its various forms. A collector from early on, he is known as a scholar and was a dealer specialized in Byzantine coinage for almost 40 years. If you elected ‘Mister Byzantium’, he would be a good choice.
Allen G. Berman is a coin dealer, collector and author. His witty side expresses itself in his founding of the fictitious numismatic Kingdom of Bermania which he rules as King Alanus I.
Gilles Bransbourg is an economist and historian, and holds the position of Deputy Director at the American Numismatic Society. His research focuses on Roman monetary and economic history.
Aleksander Bursche is full professor at the Institute of Archaeology, University of Warsaw. He specializes in Roman and Barbarian numismatics and relationships between the Classical World and the Barbarians.
Simon Bytheway is an Australian scholar on the financial and economic history of Asia, and of Japan in particular. He teaches at Nihon University.
François de Callataÿ is an extremely versatile Belgian numismatist. His research focuses on Hellenistic monetized economy. He is an awardee of the Francqui-prize (2007) and is Head of Department at the Royal Library of Belgium. Today, he teaches in Brussels and Paris. Hist publication list is almost inexhaustible.
Dario Calomino is an archaeologist and numismatist. As Project Curator at the London British Museum, he investigates the coinage, policy and civic life in the Roman Imperial provinces at the end of the Severan Age.
Maria Caccamo Caltabiano is an archaeologist and numismatist. She is Full Professor of Greek and Roman Numismatics at the University of Messina and Vice-President of the International Numismatic Council.
The Italian collector and publicist Damiano Cappellari proposed a new term for numismatist: nummophile. It expresses what drives him: the love for coins, the passion for the history of collecting.
As founder and owner of the auction house Tom Cederlind Numismatics & Antiquities, Tom Cederlind was specialized in Greek and Roman coins and objects.
Kelvin Cheung is Global Head of Banknotes at Spink and Head of Numismatics for Spink China. The trained medical doctor came to Spink as a collector and has been responsible for Spink’s global banknote business including several auctions a year since 2014.
Strictly speaking, Jürg Conzett is a financial analyst. With his MoneyMuseum, he tries to motivate people to reflect about their own attitude towards money and about money in general. To this end, he has assembled a coin collection, among other things.
Joe Cribb is a numismatist and former Keeper of Coins and Medals at the British Museum. He is an expert in monetary history and Asian currencies, with a main focus on coins of the Kushan Empire.
Vesta Sarkhosh Curtis is an archaeologist and numismatist. She is Curator of Middle Eastern Coins at the British Museum, London and Joint Director of the International Parthian Coin Project.
Arianna D’Ottone Rambach is Professor of Arabic language and literature at Sapienza University Rome, where she is also teaches Arabic paleography, codicology and numismatics.
Georges Depeyrot is a French numismatist whose main focus is on monetary history. He is Professor emeritus and Director of Research at the CNRS (Centre Nationale de Recherche Supérieure) and the École Normale Supérieure in Paris. He is also a publisher and editor of numismatic literature.
Jean-Marc Doyen is a trained archaeologist and art historian and he mainly does research on numismatics and monetary history of Gaul and the Roman provinces.
Dimitar Draganov ranks among the most distinguished Bulgarian numismatists. He has a passion for transmitting numismatic knowledge. The expert in Scythian coinage has co-founded the Numismatic Museum, Ruse.
Ulf Dräger (*1965) is head of the state coin cabinet of Saxony-Anhalt and chairman of the Saxony-Anhalt Museum Association.
Frédérique Duyrat is the director of the Département des Monnaies, médailles et antiques of the Bibliothèque nationale de France in Paris. The habilitated historian is a specialist for the coinage of Hellenistic Syria.
Eric Eigner is a renowned coin dealer from Australia. He is the manager of Drake Sterling Numismatics in Sydney, which he founded in 2006.
Nathan T. Elkins is Associate Professor of Art History, Greek and Roman, at Baylor University, Waco/Texas. He is an expert in Roman numismatics, especially imperial coinage and coin iconography.
Hubert Emmerig is Associate Professor of Numismatics and Monetary History, focusing on medieval and modern times, at the Institute for Numismatics and Monetary History at Vienna University as well as lecturer of Numismatics at LMU Munich.
Victor England is a coin dealer based in Lancaster / Pennsylvania. In 1990, he founded, together with Eric McFadden, Classical Numismatic Group Numismatics Ltd., which also operates in Europe. He is head of the company’s American branch.
Muriel Eymery is a multilingual numismatic expert and business woman. She worked as Vice President of International Business Development at PCGS for many years before joining Spink in London as the Global Head of Coins & Medals at Spink in 2016.
Patricia A. Felch is a U.S. American entomologist and scholar of antiquity. After participating in several archaeological excavations in Greece, she acts as head of the BCD Library in Athens for thirty years now, the largest private library on Greek numismatics.
Jonas Flueck is part of the large group of young and rising Swiss numismatists. He is the founder and owner of Lugdunum GmbH as well as the Ex-Numis website dedicated to the research of provenances. He has held the office of general secretary of the VSBN since 2018.
Numismatist Henry Flynn holds two positions at the British Museum: he’s Assistant Collection Manager and Project Curator for the Money and Medals Network. Regarding the latter, he’s in charge of a training programme and creates a network of UK numismatic collections.
Claire Franklin Werz is a philologist, numismatist and possibly the world’s most prolific numismatic cartoonist. She has been drawing weekly cartoons since January 2011, which adds up to a total of about 375 cartoons (at least on April 11, 2019).
Torsten Fried is historian and numismatist. He is head of the Coin Cabinet at the Staatliches Museum Schwerin and lecturer at the University of Greifswald and the University of Rostock at the same time.
Roberto Ganganelli is the leading numismatic journalist in Italy. Since July 2018, he releases the online daily (!) version of the “Cronaca Numismatia”.
Eleonora Giampiccolo (*1981) is head of the Vatican coin cabinet and editor of the magazine Historia Mundi.
William T. Gibbs is the managing editor of “Coin World”. He is not only a multiply-awarded editor and journalist but also a keen collector with a special interest in the decorations of Navy Admiral George Dewey.
Giovanni Gorini is one of the best-known Italian numismatists. Until 2011, he served as professor at the University of Padua. One of his well known books is “Monete incuse della Magna Grecia”.
Reiner Graff (*1961) is a freelance journalist, numismatist and local historian. Under the pseudonym numiscontrol, he has been one of our regular authors ever since CoinsWeekly was published for the first time in 2009.
Valentina Grigorova-Gencheva is ancient historian and numismatist. In addition to her academic work, she is head of the department of precious metals investment and collector coins at a Bulgarian bank.
Sven Günther is a historian, professor of ancient history, and numismatist. He has been teaching at the Institute for the History of Ancient Civilizations in Changchun (China) since 2015. Today, he also holds the position of Vice Director of the IHAC.
Vivek Gupta is Fellow / Assistant Curator at the American Numismatic Society. He is an expert on Islamic and South Asian coinage and art history.
Vera Guruleva is Curator and Senior Researcher of ancient Roman and Byzantine coins at the Department of Numismatics, State Hermitage Museum, St. Petersburg. Another key interest of hers is the history of Byzantine numismatics in Russia.
Radoslav S. Gushterakliev is a numismatist, archaeologist and historian, focusing on antiquity. He is head of the archaeological and numismatic department at the Regional History Museum in Lovech, Bulgaria.
Florian Haymann is ancient historian, journalist and responsible for the division of Ancient Numismatics at Dr. Busso Peus Nachf. Many German speaking collectors are familiar with his book on collecting ancient coins and his articles published in specialist journals.
Stefan Heidemann is a historian and Professor of Islamic Studies at the University of Hamburg. His main areas of research include the Abbasid Caliphate and the coinage and economic history of the entire Islamic world.
Cecilia von Heijne is an archaeologist and numismatist. She is Senior Curator at the Royal Coin Cabinet, Stockholm. Her research focuses on medieval numismatics, especially the Viking Age and the 14th century.
Martin Hirsch, who earned his doctorate in art history, works as conservator for medieval coins, Renaissance and Baroque medals at the Munich coin cabinet. He is dedicated to elevate the appreciation of art medals.
Tom Hockenhull (* 1984) is curator responsible for the medal collection, post 1700 coins and paper money, badges, tokens and other financial instruments at the British Museum.
Wayne Homren is a numismatist and data scientist. He has combined both with his interest in the future and technology: as early as the 1990s, he really bet on the Internet and its potential to transform numismatics.
Victor Huster is an internationally active medalist and artist, who, in 2012, was awarded the German Medalist prize. Many of his works received multiple awards. Among other things, he designed the new Israeli 1 shekel piece and numerous German commemorative coins.
Alexandra Hylla is a cultural scientist and art historian with a focus on numismatics. She is head of the Collection of coins, medals and monetary tokens at the Salzburg Museum.
Lutz Ilisch is a numismatist and Islamic scholar. At the University of Tübingen, the expert in Islamic coinages is head of the Research Center for Islamic Numismatics with its almost 75,000 coins.
Lyce Jankowski is a French numismatist whose main focus is East Asia. She is an expert in Chinese coinage and art history, especially numismatic history and the history of collections.
Kenneth Jonsson is Professor in Numismatics and Monetary History at Stockholm Numismatic Institute, Stockholm University. His research focuses on 800-1150 Germany and England, 1150-1700 Nordic and Baltic countries, as well as on 1500-1700 Sweden and talers.
Helmut Kahnt is one of Germany’s most distinguished authors and editors in the field of numismatics. He is editor-in-chief of the journal Münzen & Sammeln, a task he also undertook for moneytrend and MünzenRevue.
Ursula Kampmann knows all areas of numismatics: She worked in the coin trade and curated exhibitions for museums and mints. Since 1996, she concentrates on the journalistic side of numismatics, covering the entire range from ancient times up to the present.
Richard Kelleher is Assistant Keeper of Medieval and Modern Money at the Department of Coins and Medals of the Fitzwilliam Museum, Cambridge. He is an expert in English coinage, with a particular interest in the later medieval period.
Fleur Kemmers is a Dutch numismatist and Professor for Archaeology of Coinage and Money in the Greco-Roman World at the Goethe University Frankfurt.
Already as a student, Arne Kirsch began to work in the coin trade. Since then, on behalf of German and Swiss companies, he has prepared more than 250 auction catalogs and organized auction sales. He is also active at an organizational level in the international sphere.
George F. Kolbe has been active as a dealer in numismatic literature for fifty years. Under today’s name of Kolbe & Fanning Numismatic Booksellers, his company has not only a rich tradition, but is also the biggest auction house in this field.
Petr Kovaljov is a Czech coin dealer and the owner of the numismatic dealership Numfil. He is also a Künker representative who manages customers from Austria, Eastern Europe, and Asia.
Stefan Krmnicek is Junior Professor for Ancient Numismatics, Director of the Numismatic Department at the Institute of Classical Archaeology, and Curator of Coins and Medals at the Museum of the University of Tübingen. His research combines archaeology and numismatics.
Fritz Rudolf Künker has been dealing coins since 1971. Within this discipline, he is one of the most successful dealers in the world. What began as a one-man business has grown into a numismatic institution with more than 50 employees and branch offices in numerous cities.
Ivar Leimus is not only an internationally reknown expert in numismatics of the Baltic region. He is also one of the few numismatists, who can easily communicate in several languages.
Wolfgang Leschhorn is one of these versatile numismatists who have dealt with ancient as with modern coins with equal expertise. His academic home, however, is most likely Roman Provincial coinage.
Joseph Linzalone has been a professional coin dealer since 1977. He is Director at Wolfshead Gallery and specializes in electrum.
Richard Lobel is a renowned coin dealer and the director of Coincraft in London. He has been a leading expert in numismatics and the direct marketing of collectibles for decades.
Michael Märcher is a Danish numismatist and museologist. He is Curator at the Royal Collection of Coins and Medals at the National Museum in Copenhagen.
David Martínez Chico is an ancient historian, numismatist, as well as the founder and editor-in-chief of Revista Numismática Hécate. One central topic of his fields of research is the monetization and coin supply in Hispania from Augustus’ times to the 5th century AD.
Michael Matzke was Curator at the Coin Cabinet of the Basel Historical Museum and Research Associate at the SICF. His scientific focus was on medieval coinage, especially of Southern Germany, Switzerland, and Italy.
Eric J. McFadden is a founding member of CNG and globally renowned for his numismatic knowledge.
Mariana Minkova is an archaeologist, numismatist and expert of cultural values. As Chief Curator at the Stara Zagora Regional Museum of History, Bulgaria, she is responsible for the numismatic department.
Jens Christian Moesgaard is Professor of Numismatics and Monetary History at the University of Stockholm. The Danish historian and numismatist focuses in his research on the Viking culture, the Middle Ages and the Renaissance period.
Sam Moorhead is National Finds Adviser for Iron Age and Roman coins for the Portable Antiquities Scheme at the British Museum, London. He is also site numismatist on the excavation at Butrint, Albania, where he is responsible for ancient coins.
Cécile Morrisson is an historian and numismatist for Byzantine history of currency and economics. She was the head of the Paris coin cabinet, the first female president of the INC and is a permanent member of the Académie, as well as Chevalier of the French Ordre national du Mérite.
The archaeologist Dr Hans-Christoph von Mosch is Managing Director and co-owner of the auction house Gorny & Mosch, Giessener Münzhandlung GmbH.
Wilhelm Müseler is an ancient historian and numismatist. Until September 2016, he was head of the department of ancient coins at Frankfurt-based auction house Dr. Busso Peus Nachf.
Since April 2020, Caleb Noel has been in charge of The Numismatist, the traditional members’ magazine of the American Numismatic Association.
Johannes Nollé is an ancient historian and epigraphist; he is one of those highly productive numismatists that don’t write exclusively for the scholarly field. He is an Asia Minor expert, was a consultant for the Commission for Ancient History at the German Archaeological Institute, and is an adjunct professor of Ancient History at the Ludwig Maximilian University of Munich.
Matthias Ohm is a trained historian and art historian. At the State Museum Württemberg, Stuttgart, his areas of responsibility since 2007 include weapons, militaria and regional studies, and the Coin Cabinet with its nearly 180,000 objects.
Serge Pelletier is a decorated Major (Retired) of the Canadian Army. Having started as a numismatic writer in 1978, he is a multiply awarded author and editor of internationally recognized publications, including Canada’s first digital numismatic magazine.
Jan Pelsdonk is curator of the numismatic collection of Teylers Museum (Haarlem), Editor-in-Chief of the numismatic magazine De Beeldenaar, and owner of Dutch Numismatics, a freelance company for numismatic research.
Markus Peter is an archaeologist and numismatist. He is the numismatist in charge at Augst, the Roman Augusta Raurica, as well as President of the “Schweizerische Kommission für Fundmünzen”. He also teaches ancient numismatics in Bern.
With her profound knowledge of the Russian language, Ulrike Peter stands for the numismatic exchange between east and west. Since 1992 she has been Research Associate at the Berlin-Brandenburg Academy of Sciences and Humanities.
Ilya Prokopov is a Bulgarian numismatist and probably the best expert in the field of Bulgarian counterfeits. He was Director of the National History Museum of Bulgaria and was as such responsible for its move and its new permanent exhibition.
Dieter Raab (1938 2015) was one of the most prominent coin dealers in Germany. He began his professional career at the Münzen und Medaillen AG. In 1967, he took over the Frankfurt-based coin house Dr. Busso Peus.
In addition to his professional life as a teacher, Albert Raff can look back on a long career as a numismatist. Together with Ulrich Klein, he has published fundamental books on Württemberg numismatics.
Hadrien J. Rambach (*1981) is a French antiquity expert, specialized in coins and gems. Next to his activities as advisor and dealer, he publishes art historical and numismatic articles.
Pere Pau Ripollès Alegre is an archaeologist and numismatist. At the Department of Prehistory and Archaeology of the University of Valencia, Spain, he is Professor for Archaeology. He is also Vice-President of the International Numismatic Council.
Helmut Rizzolli, whose full title is Univ.H.Prof. Dozent DDr., is probably the best-known specialist for the economic and monetary history of Tyrol. Furthermore, as a local politician, he decisively shaped the history of Bolzano.
Hortensia von Roten is a historian and numismatist. She was the curator of the coin cabinet of the Swiss National Museum in Zurich and president of the Swiss Numismatic Society. She is chairwoman of the “Freie Vereinigung Zürcher Numismatiker”.
Dr. Hubert Ruß is historian and Managing Director of Künker am Dom in Munich. He is an official expert for coins and medals of medieval and modern times appointed by the Bavarian Chamber of Commerce and Industry (IHK).
Lars Rutten is a young Swiss numismatist and an expert on ancient coinage. He has been working in the coin business for more than ten years already. Since 2017, he has held the position of Senior Numismatist at Leu Numismatik AG.
Leon Saryan is a U.S. American researcher, collector and autodidact, who, since his childhood, has been collecting objects of Armenian cultural heritage. Pursuing his career as a scientist, he became an expert in Armenian history and numismatics in his spare time.
Wayne Sayles is one of the world’s most distinguished numismatists and a multiply-awarded author. After a career as Air Force Captain, he pursued numismatics, founded The Celator and the Ancient Coin Collectors Guild. His special interest lies with Cilician coins.
Shanna Schmidt (Berk) is a U.S. American coin dealer. One of her main interests is the transmission of numismatic knowledge to the general public which provides the backdrop for her initiating the “History in Your Hands Foundation”.
Romedio Schmitz-Esser is a numismatist and Professor of Medieval History and Historical Auxiliary Sciences at the University of Graz. He focuses on 15th and 16th century-Tyrolean coinage and the development of roller coining technology.
Björn Schöpe studied Classics and has been working with Ursula Kampmann since 2011. CoinsWeekly is only one of his areas of responsibility. He is also primarily concerned with graphic tasks and the IT structure.
Coin dealer and expert on coins of the Spanish colonies and on shipwreck coins Daniel Frank Sedwick (1968) is the owner of Daniel Frank Sedwick,...
The doctor and passionate coin collector Agostino Sferrazza (* 1966) is President of the Liège Numismatic Association and contributes regularly to numerous publications of several numismatic associations.
Ehsan Shavarebi is an archaeologist and numismatist. His main areas of interest are Sasanian numismatics and iconography as well as historical geography of the pre-Islamic Iranian world.
Philip Skingley (* 1972) managed Spink’s publishing division for 20 years before joining Coincraft in 2016. At Coincraft he is one of the Directors in charge of the day-to-day running of the business.
Mariana A. Slavova is an ancient historian and numismatist. She is keeper at the Regional History Museum in Haskovo, Bulgaria. Her research interests focus on coin circulation and coinage in the middle reaches of the river Maritsa, in ancient Thrace, from the 6th to the 1st century BC.
Andreas Sommer is not only a philosopher but likewise one of the most distinctive collectors of Byzantine coins. His passion for collecting resulted in numerous publications dealing with the topic, including the German-speaking standard work of reference on Byzantine coinage.
Sam Spiegel is a coin dealer and works as Director of International Numismatics at Heritage Auctions, Dallas.
Christoph Stadler is a numismatist with a different academic background. After a career in chemistry, he founded a numismatic dealership in Bremen. Maybe that is the reason why he has such a sure sense for collectors. The Bremen Numismatic Society has been thriving since he started working on the board.
Jeff Starck is Senior Editor at Coin World. He is an award-winning author with a focus on world coins. As a collector, he is especially interested in Missouri-related numismatics and exonumia.
Sebastian Steinbach is a historian who focuses on numismatics as well as the monetary and economic history of medieval and modern times. After having spent many years in the coin trade and at various universities, he is now curator of the coin cabinet of the state museum in Hannover.
Christian Stoess takes a special interest in the collaboration of collectors, dealers, and researchers for the good of numismatics. He has been President of the GIG Society of Collectors for 25 years. After many years in the coin trade and several scientific posts, he is currently Research Associate at the Berlin Münzkabinett.
François Thierry de Crussol has been General Conservator at the Département des Monnaies et Médailles at the Bibliothèque nationale in Paris for many years. He is specialized in Oriental, Chinese, and Vietnamese numismatics.
Günther Emerich Thüry is an archaeologist, archaeobiologist and numismatist. As university lecturer, he teaches ancient cultural history and Roman numismatics in Salzburg, following an interdisciplinary approach.
Detlef Tietjen has been in the coin business for 50 years. He is the owner of the Hamburg auction house Tietjen & Co. and does not only sell coins, medals and banknotes, but also numismatic literature.
Peter Karl Tompa is an attorney practicing in Washington, D.C., and a registered lobbyist for IAPN and PNG.
Lucia Travaini is one of the most renowned experts in the field of Medieval and Modern Italian coins. She currently teaches at the University of Milan.
Peter van Alfen is an economic historian, numismatist and nautical archaeologist. His research topics range from the political economies of archaic coinage and Greco-Roman commerce to medals of the First World War.
Jean-Luc Van der Schueren runs a numismatic dealership in Brussels. He is General Secretary and Executive Director of the International Association of Professional Numismatists.
Simone Vogt is an archaeologist and numismatist, since 2007 she has been the curator in charge of the collection of coins and medals at the August Kestner Museum in Hannover.
Edward J. Waddell Jr. is Professional Numismatist and owner of Edward J. Waddell, Ltd. The firm located in Frederick, Maryland specializes in ancient Greek, Roman, Byzantine, and early medieval coins.
Alan Walker is not just well known for his brilliant catalogues but also for his witty humour. He worked at the Bank Leu, Leu Numismatics and LHS for many years and in 2008 he became director of Nomos AG in Zurich.
Bernhard Weisser has been working at the Berlin Münzkabinett since 1996 – initially as assistant, then curator, and today he is the director. He also works nationally and internationally and is known to be a scientist who has initiated and moved a lot with colleagues and collectors.
Kerry K. Wetterstrom is a staff numismatist at Classical Numismatic Group. He edited “The Celator” for 13 years and is regarded as one of the hobby’s most knowledgeable collectors in the coins of Roman Egypt.
Johannes Wienand is professor of Ancient History at the Technical University Brunswick, director of the coin cabinet of the Herzog Anton Ulrich-Museum at Brunswick and founder and spokesperson of the network NUMiD.
Reinhard Wolters is an ancient historian and numismatist specialized in ancient economic history. He researches and teaches in Vienna where he is the head of the Institute for Numismatics and Monetary History at the University of Vienna.
Bernhard Woytek is a Vienna-based ancient historian and numismatist. In Vienna he serves as head of the “Documenta Antiqua” Department of the Institute for the Cultural History of Antiquity at the Austrian Academy of Sciences.
Kurt Wyprächtiger has been collecting coins for nearly half a century. He is Curator of Numismatics at the Museum zu Allerheiligen and responsible for the library of the Pressedienst Kampmann. In his capacity as photographer, he is known to CoinsWeekly readers by his initials KW.
Peter Zgorzynski is Künker’s representative in the Rhine-Main area and works as sworn expert for gold and silver coins struck after 1871 as well as gold and silver bars.
Ruprecht Ziegler is an Austrian ancient historian and numismatist. His research focuses on numismatics, epigraphy, economic and religious history of the Eastern Roman provinces, primarily of Cilicia – and, as of late, also local history of the ‘long nineteenth century’.