Archives
D- Frankfurt am Main, Dr. Busso Peus Nachf.
Auction 435: Ancient, Medieval, German and World coins, medals and numismatic literature
USA-Lancaster, CNG
e-Auction 549: Ancient, Medieval, Islamic and World coins and numismatic literature
D-Frankfurt, Frankfurter Münzhandlung
Auction 157: Ancient, German and World coins, banknotes and medals