Archive: People and Markets
Gold Bar from Famous Shipwreck Comes Under the Hammer
In 1622, the Nuestra Señora de Atocha sank off the coast of Key West along with all the treasures on board. Sedwick is now auctioning off one of the largest gold bars ever recovered.
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.
Archive: Coins, Medals and more

Fascinating Change: The 50 State Quarters of the USA – a Milestone
By means of the 50 State Quarters, the US Mint succeeded in rekindling the people’s love of coins and bringing it to the next generation. What was so special about this series? Let’s look back.

State-of-the-Art Minting Technology
Colours, special shapes, inlays, micro inscriptions, latent images and holograms – many technologies are used on commemorative coins today. In this article, we give you a little overview of the different technologies that are currently applied in the coin producing industry.











Oslo Myntgalleri Opening Sister Company in Denmark
The auction house Oslo Myntgalleri will open a sister company in Denmark with Michael Märcher as CEO. He and his team will run a traditional coin shop in Aarhus as well as a large online shop.
The Fascinating World of Insects and Minting Errors: The Misaligned Stag Beetle
A year ago, the paint on coins from the “Fascinating World of Insects” series began to flake off. Now, new anomalies have surfaced—ones that experts find only partially explainable.