Archive: People and Markets
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.
CIT’s Mont-Saint-Michel
CIT has converted the UNESCO World Heritage Site “Mont-Saint-Michel” into numismatic masterpieces: Four coins in three metals pay tribute to the impressive island with a three-dimensional relief on a deeply concave background.
Archive: Coins, Medals and more

Farewell to the Penny: (No) Impact on Numismatics?
The United States Mint is ending production of the one-cent coin – triggering a rush on 2025 penny rolls. But one expert urges collectors to stay calm.

Cleaning, Patina, Verdigris etc.: Which Errors Affect the Price of a Coin? – Part 2
The price of a coin does not only depend on its rarity and quality. In the second part of our overview we will talk about wear and tear, cleaning and the consequences of environmental processes.















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.
ANA World’s Fair of Money 2024: Waiting for the Election
The world’s largest coin show once again attracted collectors and dealers from around the globe. But for US numismatists, the show certainly was not business as usual – the eyes of the industry are on Washington.