Archive: People and Markets
An “Error Coin” No Collector Is Happy About
The quality of the country’s collector coins is the subject of heated debate in Germany. This regards silver coins and colour issues. But the problem is not limited to German mints – the phenomenon of “milk spots” in particular is a major concern for coin producers around the world.
French Error Coin: The Monnaie de Paris Coin Mishap
The French mint Monnaie de Paris had planned to introduce a new design for coins of 10, 20 and 50 cents in 2024, but a mishap with serious consequences occurred – and while the extent of the financial loss that ensued is still unknown, it is clear that it caused great damage to the mint´s image.
Archive: Coins, Medals and more

Joachimsthal and the Reformation
On 29 January 2025, Künker will auction a series of valuable Renaissance medals. They feature biblical topics and were minted in the region of Joachimsthal to spread the teachings of the Reformation. Johannes Mathesius, the author of Luther’s Table Talk, may have been at the origin of some of the motifs.

Why Neuchâtel Is Not Part of France Today
It was a close call – Louis XIV would certainly have swallowed up Neuchâtel in today’s Switzerland if it had not been for Marie de Nemours’ fierce insistence on her rights. We explain the political situation and introduce you to the princess and her coinage. All the pieces shown come from the Bürki Collection and will be on offer in SINCONA’s Auction 95 on 24 October 2024.















Faust Vrančić: The Croatian Leonardo
Croatia issues two new collector coins as part of its “Croatian Innovators” series. They are dedicated to Faust Vrančić, a Croatian polymath whose parachute design, published in his 1595 book “Machinae novae”, is the first appearance of this device in a printed work.
Stack’s Bowers Galleries Launches Coin Resource Center
Stack’s Bowers Galleries announced the launch of their Coin Resource Center. The new website is a detailed reference guide for all U.S. coins with historical backgrounds of each U.S. Mint and insightful Collector Guides.