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.
A-Mark Precious Metals Acquires Stack’s Bowers Galleries
One of the largest auctioneers in the numismatic world has a new owner. Stack’s Bowers Galleries, including its parent company, entered into a definitive merger agreement to be acquired by A-Mark Precious Metals.
Archive: Coins, Medals and more

The Bending Willow Tree
On 29 January 2025, Künker is going to auction off a unique willow tree coin. The reverse of the 10-ducat piece depicts a willow tree in a storm. But what is the message that William V, the Landgrave of Hesse-Kassel on whose behalf the coin was created, wanted to convey with this issue?

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.
Counterfeiters of Hundreds of Thousands of Euro Coins Arrested
A large-scale counterfeiting workshop has been raided in Spain. The culprits put half a million fake 2-euro coins in circulation throughout Europe. Read on to find out how the perpetrators evaded the police for years and how you can identify the counterfeits.
New Coin From Slovakia: 80th Anniversary of the Vrba-Wetzler Report
In the summer of 1944, the world became aware of the Holocaust thanks to two young Slovaks: Rudolf Vrba and Alfréd Wetzler. The National Bank of Slovakia honors them with €10 collector coin, produced by the Kremnica Mint. The coin represents many things – bravery, moral courage, responsibility and the power of public opinion.