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
Collecting Coins Around 1600
In January 2024, the first volume of Ursula Kampmann’s three-part work on the letters of Hans von Schellenberg was published. The author presents one of the most insightful sources on collecting coins in the early modern period in its historical context.
The Sixbid Archive – What It Is and Why You Need It
Sixbid has launched a new service: the Sixbid Archive. What makes this archive different from all the other auction databases out there? Is it really one of the most important numismatic projects of this century? Is it worth the €66 price tag? And for whom might it be worthwhile to purchase the €666 gold subscription?
Archive: Coins, Medals and more

Coloured Metal from Austria: Niobium Coins
In 2003, the Austrian Mint introduced a new metal with exciting characteristics to the world of coins: niobium. The beginning of a success story.

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.













Coiniverse Launches AI Assistant for Coin Collectors
The coin collecting app Coiniverse announced the launch of Coin AI, a cutting-edge generative AI assistant designed to enrich the coin collecting experience. Find out what it can do.
In Love With Japan
This year, Andrea Pancheri attended the Tokyo International Coin Convention for the first time on our behalf – and was absolutely thrilled by both the country and the event! Find out why here.