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
Certified Collectibles Group to Acquire James Spence Authentication
Certified Collectibles Group acquires the leading autograph authentication firm James Spence Authentication.
Peter K. Tompa Appointed as New IAPN Executive Director
The International Association of Professional Numismatists (IAPN) has a new Executive Director: Peter K. Tompa succeeds Jean-Luc Van der Schueren.
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.

Counterfeit Detection: Altered Prussia 20 Mark
An NGC expert gives us insight into his everyday life. He shows how the year on a coin from the German Empire was altered by a coin doctor.













How the Certified Collectibles Group Takes Action Against Fraudsters
The Certified Collectibles Group (CCG) aggressively pursues bad actors who seek to defraud them and the collecting community. CEO Steven R. Eichenbaum reports on the fight and provides examples.
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.