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
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.
Questions and Answers for Coin Collectors Regarding the Death of Pope Francis
Following five different coin series since 2002, the Vatican is set to issue new euro coins this year. When the change to a new pope on the coins will take place, and how the Sede Vacante will be commemorated numismatically, remains unclear – as does the timing for the return of the Vatican’s coin issuing office for collectors.
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.

The Secret of the Success of State Quarters, UNESCO Coins and Federal State Series
25 years ago, the United States of America started a new chapter in numismatic history. Their State Quarters became the model for many other successful coin programs – including Spain’s UNESCO World Heritage Site series.













Coins and Mints in Avignon Between Provence and Papacy
The French Society for Numismatic and Archaeological Studies (SÉNA) published the proceedings of their 2017 colloquium. The volume presents various works and studies on the coinage in and around Avignon.
Two-Euro Ticker: New 2-Euro Coins in February 2025
Italy celebrates the Holy Year, and Luxembourg marks the change of throne with a numismatic first: for the first time, official colour applications will appear on Luxembourg’s 2-euro coins.