Archive: People and Markets
John Highfill († 15 June 2025)
Tulsa, Oklahoma rare coin dealer John Highfill, founder of the National Silver Dollar Roundtable and author of a landmark 1,200-page reference book, The Comprehensive U.S. Silver Dollar Encyclopedia, passed away on June 15, 2025. He was 82.
Striking Designs – Exhibition at the Dumbarton Oaks
A new special exhibition is on view at the Dumbarton Oaks Museum in Washington D.C. „Striking Designs: Communicating Through Coins” explores what the images on coins can tell us about the late Roman and Byzantine empire.
Archive: Coins, Medals and more

Coloured Metal from Austria: Niobium Coins
In 2003, the Austrian Mint introduced a new metal with exciting characteristics to the world of coins: niobium. The beginning of a success story.

















The Economy Museum St. Louis Fed
Learn about the economy and currency in a fun and interactive way. Compete to make the most money in a simulated trading pit game. The Economy Museum at the St. Louis Fed offers over 100 games, exhibits, currency displays and videos. Read what expect you there.
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.