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
Defamatory Attack on IADAA And Its Officers – a Response
A French newspaper article claims IADAA chairman Vincent Geerling to be involved in trafficking antiquities. A close look reveals a distortion of facts – or how the journalist and the authorities simply ignored them. With consequences not only for the accused.
Swiss Linguistic Diversity Gold Coin
The latest Swiss gold coin “Swiss Language Diversity” honors cultural diversity and multilingualism as the very essence of Switzerland.
Archive: Coins, Medals and more

Planchet Error, Overstrike, Double-Strike, Etc.: Which Errors Affect the Price of a Coin? – Part 1
The price of a coin does not only depend on its rarity and grade. There are many things that can affect a specimen’s value in a positive or negative way. This overview will help you to understand common terms, to use them confidently and to understand them in their context.

The Olympic Games That Are No Longer Recognized
In 1906, the IOC and the country of Greece invited athletes from all over the world to the Olympic Games in Athens. The Games had a lasting impact on the ceremonies surrounding the sporting showdown, even though the IOC no longer recognizes these Olympics today. A winner’s medal from the Games will be auctioned by Künker on 18 June 2024.













Celtic Coin Hoard Melted Down into Lumps
Six months ago, a Celtic gold treasure was stolen in a burglary at the kelten römer museum Manching, Germany. Now the police have announced success in apprehending four suspected criminals.
Red Alert at the British Museum
Thousands of objects have disappeared from the British Museum – allegedly stolen by a senior curator. The matter was uncovered by an antiquities dealer, whose warnings fell on deaf ears. The museum’s director has stepped down, and this seems to be merely the tip of the iceberg.