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
Numismatics for the Ears: The Royal Mint Museum Explores Britain’s Seafaring History in New Podcast
The Royal Mint Museum has launched its first-ever podcast series, called “Coins and the Sea.” The podcast is part of a wider project, which includes a temporary exhibition at The Royal Mint Experience.
Faust Vrančić: The Croatian Leonardo
Croatia issues two new collector coins as part of its “Croatian Innovators” series. They are dedicated to Faust Vrančić, a Croatian polymath whose parachute design, published in his 1595 book “Machinae novae”, is the first appearance of this device in a printed work.
Archive: Coins, Medals and more

The Gnadenpfennig – An Object Between Decoration, Medal, and Coin
Gnadenpfennigs are an extremely rare category of numismatic objects. Künker is proud to offer nine lots in auction 418 on 29 January 2025 that are, or are likely to be, gnadenpfennigs. We explain the purpose of these issues and when they were created.

Gold from Rhodes for the Battle for Rome
On 30 October 2024, Künker will be auctioning an aureus minted by Caesar’s assassins in 42 BC. The extremely rare piece is estimated at 100,000 euros. We tell the story of a coin that takes us back to the heart of the Roman civil war.













INORCOAT: How to Make Minting More Sustainable
Are you annoyed by all the laws that make our lives more difficult but have no positive effect? Here’s an example of a law that actually makes sense: the planned ban on chromium (VI) electroplating is helping an innovative technology to make a breakthrough – and this development brings decisive advantages for the minting industry. Romain Waidelich of INORCOAT takes us behind the scenes.
Bulmint
In March 2023, Ursula Kampmann visited Bulmint’s production facilities. ALL steps that are necessary for the manufacture of gold and silver coins are carried out there. By looking at the various departments, we can learn about every step in the production of a coin.