Matidia.
Denarius (112 AD), Rome.
Condition: very rare, vf /vf+.

Julian II. Apostata as Caesar.
Solidus (355–357 AD), Rome.
Condition: unc

Frederik IV.
Double-Ducat 1704, Copenhagen.
With certificate of authenticity.
Condition: ef-

Johann Wilhelm.
Ducat 1753, Nuremberg.
Condition: rare, lightly worked, vf-

Archive: People and Markets
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.
When Is a Currency Launch – Not a Currency Launch?
Nowadays, it is frighteningly easy to send misinformation around the world in a matter of seconds. Michael Alexander from the London Banknote and Monetary Research Centre uses a recent example to show that important subjects such as currency unions, or even money in general, can also be affected by this.
Archive: Coins, Medals and more

Pattern of the First-Class Warrior Medal – A Previously Unknown Relic of German Colonial History
Leu’s first World Coins Floor Sale features a previously unknown pattern of a warrior merit medal for indigenous soldiers in German East Africa. This exceptional item provides rare insight into the early development of this obscure decoration.

The Gnadenpfennig – An Object Between Decoration, Medal, and Coin
Gnadenpfennigs are an extremely rare category of numismatic objects. Künker is proud to offer nine lots in auction 418 on 29 January 2025 that are, or are likely to be, gnadenpfennigs. We explain the purpose of these issues and when they were created.

















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.
Medaljer Konstnärer – Medaillen und ihre Künstler – Medals and Their Artists
Roberto Delzanno presents his publication on five important Swedish medalists. The book of over 400 pages features texts in Swedish, German and English, as it aims to introduce Swedish medal art to the broader international collector community.