Archive: People and Markets
Celebrating Wolfgang Hahn’s 80th Birthday
There are numismatists who are an integral part of the numismatic world. One of them is Wolfgang Hahn, who shaped the fate of the Department of Numismatics and Monetary History in Vienna from 1990 to 2010. On 12 March 2025, he celebrated his 80th birthday.
G+D Receives IACA Award for the “Green Banknote”
The “Green Banknote”, developed by Giesecke+Devrient, was awarded by the International Association of Currency Affairs as the new best ecological sustainability project in the banknote sector. Why? Read on.
Archive: Coins, Medals and more

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.

Bulgaria, Prince Ferdinand I and the Railroad
One of the highlights of Künker’s auction 395 is a spectacular gold medal with a weight of 110 ductats. It was the personal property of Prince Ferdinand I. of Bulgaria. This medal takes us back into a period when Bulgaria modernized its economy. And the railroad system played a major role in this.
The Fascinating World of Insects and Minting Errors: The Misaligned Stag Beetle
A year ago, the paint on coins from the “Fascinating World of Insects” series began to flake off. Now, new anomalies have surfaced—ones that experts find only partially explainable.
New Issues From Croatia: Halubje Bell Ringers to Chase Away the Winter
Croatia has a unique carnival tradition. Masked figures chase away the winter with their large bells. These bell ringers have been on the UNESCO Intangible Cultural Heritage List since 2009. The Croatian Mint dedicates three commemorative coins to them, issued on 18 February 2025.