Archive: People and Markets
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.
US Coin Dealer Robbed in Madrid
The Numismatic Crime Information Center notified us that Don Kagin was the victim of a theft that occurred in a shop in Madrid, Spain. Find out more about the stolen coins and the thieves’ modus operandi here.
Archive: Coins, Medals and more

Gold at Record Highs: Melt Down or Preserve Historic Gold Coins?
Gold is now more expensive than ever. This trend has put many collectors and dealers in a moral dilemma: Which gold coins can be sold or melted down without hesitation, and where do the real treasures lie?

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.
From Brutus to Brandt – Digital Exhibition of the Deutsche Bundesbank
The Deutsche Bundesbank presents “From Brutus to Brandt – Coins as a Testimony to Collective Memory”. In this sophisticated digital exhibition, eight coins from antiquity to the present day are examined in detail.
Beware of This Scam! These Euro Error Coins Are Not Error Coins
The Internet is currently full of so-called “error coins” – and many collectors fall victim to fraudulent offers. Our author numiscontrol explains what you need to know about the minting process to easily notice when something is off.