Friedrich Wilhelm, the Great Elector.
Ducat 1686 LCS, Berlin.
Extremely rare.
Attractive piece.


Maximilian II.
Ducat 1855.
Only a few pieces are known.
Extremely fine-uncirculated.

Ferdinand Albrecht I.
Löser in the weight of 4 Reichstalers 1670, Clausthal.
Extremely rare.
Attractive piece.

Friedrich Adolf.
5 Ducats 1711, Detmold.
Only known piece.
Extremely fine-uncirculated.

6 Ducats, n. d. (1765-1790), with the title of Joseph II.
NGC MS 62 PL.
Extremely rare.
Attractive piece from polished dies.
Almost uncirculaed.

Johann Adolf, 1590-1616.
Portugalöser (10 ducats) n.d., Eutin.
Extremely rare and of particular
significance in monetary history.
Attractive piece.

Leopold I, 1657-1705.
20 Ducats, n. d. (after 1666), Hall,
by M. König.
Extremely rare.
Almost extremely fine.

Archive: People and Markets
An “Error Coin” No Collector Is Happy About
The quality of the country’s collector coins is the subject of heated debate in Germany. This regards silver coins and colour issues. But the problem is not limited to German mints – the phenomenon of “milk spots” in particular is a major concern for coin producers around the world.
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

25 Francs in Gold: Swissmint’s New Gold Coin
Since 2022, Swissmint has been issuing 25-franc gold coins. The latest release is a tribute to the history of Swiss gold coinage, combining elements of the first 20-franc piece and the enigmatic 1955 issue, which never entered circulation. And Swissmint also has some interesting plans for the future, as Ursula Kampmann discovered.

The First Error Coins from Croatia
Croatian euro coins are still quite new: the popular tourist destination introduced the currency as recently as in January 2023. By now, the first Croatian coins have long found their way into Central European wallets – and there are also some error coins among them!













Foreign Coin Production Ends at the Royal Mint – The End of an Era or Another Step Closer to a Cashless Economy?
The Royal Mint has announced that it will no longer produce coins for other countries, ending a business model that it has operated for 700 years. Michael Alexander puts this development into perspective.
Museum of American Finance Announces New Exhibit Headquarters
The Museum of American Finance, a Smithsonian affiliate, is relocating to Boston with a new 5,400 sq ft space set to open on July 1, 2026. This marks its first permanent exhibit location since leaving 48 Wall Street in New York in 2018 after a flood damaged the facility but spared its renowned collections.