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
The FBI Warns: Fraudsters Have Their Sights Set on Coin Collectors
The FBI has published a new warning that scammers are trying to trick older people in particular out of their coins. Find out which scams are common and how you can protect yourself against them.
The IAPN Book Prize 2023
Every year, the International Association of Professional Numismatists rewards a numismatic work published the previous year with their IAPN Book Prize. The winner of 2023 comes from India.
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.

French History in Coins – Part 2: From the Second Republic to the Second Empire
In the 19th century, people in France suffered from hunger and poverty. There were uprisings and a revolution. But the first president of the new republic was a nephew of Napoleon and completely took after the old emperor.













Donald Trump: Now Also a Coin Dealer and Designer
Supporters of the Republican US presidential candidate Donald Trump can now show their backing numismatically: following sneakers and trading cards, Trump has now launched a commemorative medal under the “Trump Coins” brand.
How Canada’s Coins Celebrate the Coronation of King Charles III
The Royal Canadian Mint released collector coins in celebration of King Charles’ Coronation. The coins feature the new Royal Cypher but not yet the King’s portrait. Find here more information about when to expect his portrait.