Peter Zgorzynski demonstrates chances and challenges using latest technology to distinguish Tungsten from Gold. Which equipment does really help to find out whether an ingot or a bullion coin is made of pure gold?
This year marks 140 years since the death of Joseph-Samuel Farinet, the most famous counterfeiter in Switzerland. In the 19th century, he flooded the Valais with 20-rappen pieces. The Swiss National Museum is telling his story within their blog.