Archive: People and Markets
The Certified Collectibles Group: More than Coins and Comic Books
In 2021, the Certified Collectibles Group surprised the numismatic community by announcing that the Blackstone investment firm would become a majority shareholder. This raised the question of what this might mean for the coin market. Ursula Kampmann was in Sarasota to visit the new Certified Collectibles Group.
The World’s Smallest Coin
Now it is official: Croatia’s 1-kuna coin dedicated to the town of Hum holds the Guinness World Record as the world’s smallest coin!
Archive: Coins, Medals and more

What Will Be Depicted on Croatia’s Euro Coins?
In 2023, Croatia will become the youngest member of the euro zone. The themes of Croatia’s euro coins have already been chosen – and one of them has stirred up controversy. Let’s find out how Croatia presents itself to Europe on its new coins.

Frederick III of Denmark and Eben Ezer
SINCONA’s Auctions 92 to 95 will take place from 21 to 25 October 2024. This article introduces one of the many rarities up for sale: a so-called “Ebenezer” coin from Denmark. The 4-Ducat piece is extremely rare and of great historical interest.















The Numismatic Index on 13 June 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.
IAPN General Assembly in Marseille 2023
At their 71st General Assembly in Marseille, the International Association of Professional Numismatists elected new members, increased the Executive Committee, and awarded the prestigious IAPN Book Prize.