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
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.
An “Error Coin” No Collector Is Happy About
The quality of the country’s collector coins is the subject of heated debate in Germany. This regards silver coins and colour issues. But the problem is not limited to German mints – the phenomenon of “milk spots” in particular is a major concern for coin producers around the world.
Archive: Coins, Medals and more

The Bending Willow Tree
On 29 January 2025, Künker is going to auction off a unique willow tree coin. The reverse of the 10-ducat piece depicts a willow tree in a storm. But what is the message that William V, the Landgrave of Hesse-Kassel on whose behalf the coin was created, wanted to convey with this issue?

Record! South African Rarity Leaves All Previous Top Prices Far Behind
Recently, a South African coin was auctioned at Heritage for $1.8 million (excluding premium) – exceeding the previously highest known auction results for South African coins by a remarkable $1.5 million. What makes the “Single 9” such a rarity?













Sack & Kiesselbach at the World Money Fair
What does it mean for a technical supplier of the minting industry to set up a booth at the World Money Fair? Markus Schlein, CEO of Sack & Kiesselbach, explains how he prepares for the event and how he experiences the WMF.
Hoard of Viking Coins Unearthed on the Isle of Man
The Isle of Man’s rich Viking legacy has been further enhanced by the discovery of the Island’s latest treasure hoard.