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
Legal Statement Issued on Italy’s Import Requirements for Coins
Italy requires such extensive documentation for the import of coins that many dealers prefer to avoid the country. But now, the Ministry of Culture in Rome has issued a legal statement that deserves some attention.
Fakes, Counterfeits, Imitations – CoinsWeekly NYINC Special Issue
It is every coin collector’s greatest fear: the precious centerpiece of a collection turns out to be a fake. But what can you do if suspicions arise? Our new CoinsWeekly Special Issue draws attention to different aspects of fakes, counterfeits and imitations.
Archive: Coins, Medals and more

Joachimsthal and the Reformation
On 29 January 2025, Künker will auction a series of valuable Renaissance medals. They feature biblical topics and were minted in the region of Joachimsthal to spread the teachings of the Reformation. Johannes Mathesius, the author of Luther’s Table Talk, may have been at the origin of some of the motifs.

The Great Elector, Taxes and the Rise of Prussia
On 1 February 2024, the Künker auction house will hold its 400th auction sale. Among the 770 lots are very rare issues from the reign of Frederick William of Brandenburg-Prussia. They bear witness to the achievements of the Great Elector, who brought prosperity to a realm devastated by the Thirty Years’ War.













Myntauktioner i Sverige AB Enters Partnership with Künker
Cooperation is the key to success. Following this motto, the Künker auction house enters another strategic partnership with Myntauktioner i Sverige AB, headed by Dan Carlberg, Sweden’s leading auction house.
NUMMUS – Spain’s New Numismatic Society
In March 2024, a new numismatic association was created in Spain with a strong commitment to private collectors as agents of cultural generation and heritage conservation. Find out more about the aims of NUMMUS here.