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.
The Difference Between Stamps and Coins: Not as Trivial as You’d Think!
There are times when uninformed people buy anything as long as the object in question might retain its value. Disillusionment strikes when the market situation changes. The realisation that there isn’t a market for every collectible ruined many a collecting field in the past. Ursula Kampmann urges caution.
Archive: Coins, Medals and more

Carl Theodor in Bavaria: The Old Nobility Takes Up a New Role
In the context of Künker’s phaleristic sale at the end of October, the Osnabrück auction house will present orders from the estate of Carl Theodor Duke in Bavaria. Carl Theodor is one of the most interesting figures of Bavarian history. In contrast to his famous sister Sisi, he managed to live a fulfilled and self-determined life – as an eye specialist.

SINCONA Offers Spectacular Swissmint Patterns
In its Auction 87, SINCONA AG showcases Swissmint patterns. They are truly remarkable as they are true patterns that were not produced for collectors but are natural by-products of the coin creation process.













Coins for a New Audience from Singapore
In 2019, coin designer Karz launched his coin publishing company Spectres. He and his team aim to create coins for our modern world – coins that they would be happy to buy themselves. We introduce the young company and some of their products.
How AI Is Transforming Numismatics
Can entire numismatic reference books be written by artificial intelligence? Are ChatGPT and similar technologies becoming competitors for news portals, specialist publishers, and PR agencies? What can AI truly achieve? We put it to the test.