Archive: People and Markets
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.
Legal Head of Italian Culture Ministry: “Fiendishly Extensive” Proofs Bar Imports
A significant statement on the importation of numismatic goods was issued in June 2023 by the legal department of the Italian Ministry of Culture. Read an analysis by Valentina Tarquini for Cultural Property News here.
Archive: Coins, Medals and more

French History in Coins – Part 3: A New Napoleon
Under Emperor Napoleon III, France experienced an economic upswing. The Paris cityscape was completely revamped, just as coin designs. The gold rush in the US thrust Europe’s silver money into a crisis. The answer came from France.

Queen Anne: Great Britain on Its Way to Becoming a Global Power
On 26 May 2025, SINCONA will auction off part 6 of the British Collection presenting the medals of this ensemble. In this article, we will show you some of the treasures among the lots and explore the story of Queen Anne. Under her rule, Great Britain became the most important trading power in Europe.










Leu Numismatik Launches Its Own Web Shop
The new Leu Numismatik Web Shop allows you to purchase selected pieces directly at any time. The inaugural selection features 200 exceptional coins spanning antiquity, the Middle Ages, and modern times.
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.