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
ANS Awards the 2025 Trustees’ Award to the NYINC
The American Numismatic Society annually presents the Trustees’ Award to honor those advancing the study and appreciation of numismatics. This year, the New York International Numismatic Convention was recognized for over 50 years of uniting coin collectors, dealers, and enthusiasts.
Introducing Nanoshine: CIT’s Butterfly
CIT’s Butterfly seems delicate, fragile and beautiful, just like its real-life model. The technical marvel behind it only becomes apparent at second glance. Nanoshine is a completely new technology with the potential to transform the aesthetics of coin design.
Archive: Coins, Medals and more

The Suffering of Leiden – A Siege During the Dutch Revolt
The third part of the Beuth Collection that Künker offers in Auction 420 contains many historically interesting emergency and siege coins. They were issued by the Dutch towns besieged by Spain during the 80 Years' War. One of these towns was Leiden, which to this day commemorates the end of the siege every year with a festival.

Münster, Osnabrück, Passau and the Counts of Lamberg
Münster, Osnabrück and Passau: How are these places related to the Counts of Lamberg? We use coins from Künker’s auction 424 to illustrate how noble families in the Holy Roman Empire climbed the social ladder in early modern times, and explain the reasons for and the consequences of such ascents.













Stack’s Bowers Galleries Professional Numismatist Program
If you have ever considered making your hobby your profession and aren’t older than 25 years, the Stack’s Bowers Professional Numismatist Program offers an opportunity to acquire the skills necessary to be successful in this field.
When Coins meet Comics: United States Mint and Warner Bros. Join Forces
The Historic modern culture partnership is a first of its kind for the United States Mint. Collectors are invited to vote for their favorite superheroes that will be appearing on US coins soon.