Archive: People and Markets
CoinsWeekly News in the Coiniverse App
The Coiniverse app helps its users identify coins and manage their own collections, while CoinsWeekly provides in-depth information on numismatic topics from around the world. As a new feature, Coiniverse users can now access CoinsWeekly articles directly in the app.
Peter K. Tompa Appointed as New IAPN Executive Director
The International Association of Professional Numismatists (IAPN) has a new Executive Director: Peter K. Tompa succeeds Jean-Luc Van der Schueren.
Archive: Coins, Medals and more

Counterfeit Detection: Altered Prussia 20 Mark
An NGC expert gives us insight into his everyday life. He shows how the year on a coin from the German Empire was altered by a coin doctor.

Frederick III of Denmark and Eben Ezer
SINCONA’s Auctions 92 to 95 will take place from 21 to 25 October 2024. This article introduces one of the many rarities up for sale: a so-called “Ebenezer” coin from Denmark. The 4-Ducat piece is extremely rare and of great historical interest.











A New Member to Join the SINCONA Team: Michael Otto
The SINCONA team is excited to welcome a new member. As of 1 January 2025, Michael Otto is working at the SINCONA Group’s headquarters in Zurich. He is looking forward to taking over the position as Head of Numismatics.
Employees of Monnaie de Paris Launch Petition to Protect Their Site
“Hands off Monnaie de Paris” – with this clear message, Rodolphe Krempp, Deputy Sales Director at Monnaie de Paris, reached out to his contacts on the business network LinkedIn over the weekend.