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
Coins of the Islamic Lands From the Nasser D. Khalili Collection
The Khalili Collection of Islamic Art is one of the most comprehensive of its kind, and its Islamic coinage is among the finest in private hands. A catalog featuring highlights from the early period of Islamic Coinage has now been published, including many rare and unpublished specimens.
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.
Archive: Coins, Medals and more

A Coin on a Coin: Luxembourg to Resurrect the “Feierstëppler”
The Grand Duchy honours its past as a centre of the steel industry with a new 2-euro commemorative coin bearing the unwieldy title “100th anniversary of the Grand Ducal decree on the issue of the ‘Feierstëppler’”.

Coloured Metal from Austria: Niobium Coins
In 2003, the Austrian Mint introduced a new metal with exciting characteristics to the world of coins: niobium. The beginning of a success story.













A New Member to Join the SINCONA Team: Michael Otto
The SINCONA team is excited to welcome a new member. As of 1 January 2025, Michael Otto is working at the SINCONA Group’s headquarters in Zurich. He is looking forward to taking over the position as Head of Numismatics.
Two-Euro Ticker: New 2-Euro Coins in October 2024
As 2024 draws to a close for 2-euro collectors, 29 of the 35 planned coins have already been released. Last month, another surprise emerged from a Euro country.