Archive: People and Markets
ACCG Introduces Their New Executive Director
Since January 1, 2024 the Ancient Coin Collectors Guild has had a new Executive Director: Keith Twitchell. Twitchell replaces Peter Tompa, who will remain active on the ACCG Board of Directors
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.
Archive: Coins, Medals and more

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.

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.










Precious Metals Future Forum 2025: Between Geopolitical Uncertainty and Digital Transformation
The inaugural Precious Metals Future Forum in Frankfurt has highlighted how profoundly the precious metals industry is undergoing change – economically, geopolitically, and technologically.
Pop Culture & Coins Unite! The National Coin Week 2025
What do Homer Simpson, the Olympic games, Elvis Presley, and Superman have in common? They’ve all been featured, or will soon be featured, on coins. This year’s annual National Coin Week, April 20-26, 2025, explores the fascinating ways pop culture influences money.