Archive: People and Markets
Germany’s New Platform Tax Transparency Act: A Problem for eBay Coin Dealers?
Germany’s new Platform Tax Transparency Act has caused great concern among German coin collectors. Will they have to explain themselves to the tax authorities whenever they sell pieces of their collection? In most cases, the answer is no. Unless their hobby turns into a regular side-line.
Successful December 2023 HKINF
The organizers of the 11th Hong Kong International Numismatic Fair (HKINF) are grateful for the positive feedback they received for the event. The date of the next HKINF has now been announced. Tables are still available.
Archive: Coins, Medals and more

VOC: The Other Side of the Dutch Golden Age
VOC coins tell the story of the Netherlands’ colonial past. The States General granted the VOC all the rights of an independent state: it could declare war, make treaties and issue its own currency. Join us on a trip to Indonesia, the place where the spices grew that financed the Dutch Golden Age.

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.















National Museum of Denmark Acquires Seven Coins of the Bruun Collection
The National Museum of Denmark used its right of first refusal to buy extremely rare coins from Lars Emil Bruun’s collection before they are to be sold at auction. Here you can see the seven extraordinary pieces!
Coin Dealers Targeted by Organized Crime Groups Following Coin Show Attendances
The Numismatic Crime Information Center warns that coin dealers in the USA are being targeted by organized crime, especially after attending coin shows.