Archive: People and Markets
A-Mark Precious Metals Acquires Stack’s Bowers Galleries
One of the largest auctioneers in the numismatic world has a new owner. Stack’s Bowers Galleries, including its parent company, entered into a definitive merger agreement to be acquired by A-Mark Precious Metals.
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

An Introduction to Axumite Coinage
With the collection of Dr. Stephan Coffman, a highly significant ensemble of coins from the great ancient African kingdom of Axum is sold at Leu Numismatik. Learn more about the history of Axum and the often disregarded Axumite Coinage in this detailed article.

The Roman Civil War of 68/9: The Prelude to the Year of the Four Emperors
Heidelberger Münzhandlung will offer a series of coins of impeccable quality struck during the Roman Civil War at its auction on 12 and 13 November 2024. We take advantage of this opportunity to examine the historical background of these issues, going back to a time when counter-emperors did not (yet) dare to put their portrait on coins.
2-Euro Ticker: New 2-Euro Coins in August 2024
The 2-euro world is in a summer slump: only two new coins will be released in August, but there is good news for price-conscious collectors – interesting details were released about the issues of the coming months.
The Numismatic Index on 11 May 2023
The numismatic index numindex transparently shows how the prices of selected coins change over time. In the style of a stock index, it was designed for collectors who consider their collection an investment. Find out about the current state of the index.