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
Our Who’s Who Is Here!
Our entire Who’s Who for numismatists and collectors is now available on our new website. This is another important step on our path towards transitioning from our old to the new site. And there is more!
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.
Archive: Coins, Medals and more

The Heidelberg Tun and Early Modern Winemaking
The most well-known symbol of the city of Heidelberg actually began as a sort of treasury: the Heidelberg Tun was built to accommodate the Palatinate’s tax revenue generated from winemaking. And then a Calvinist propagandist turned it into a tourist attraction. This is reflected in a medal that Künker will be auctioning on 29 September 2023.

In Search of the Big Five
The Big Five – they are the stars on South Africa's commemorative coins. We visit the elephant, lion, rhino, buffalo, and leopard in their most famous reserve, the Kruger National Park. Let's see how many of the iconic five we can capture (with the camera).













Marija Jurić Zagorka: A Feminist Icon from Croatia
The Croatian National Bank, in cooperation with the Croatian Mint, continues its series on Croatian literature. The second issue is dedicated to Marija Jurić Zagorka. She is celebrated in Croatia as an icon of feminism.
End of “Cash Only”? Germany Plans Right to Digital Payment
Cash will remain important in Germany – but digital payment options are set to become mandatory. Germany’s federal government is working on new regulations. Are they truly intended to offer consumers more convenience – or are they also about gaining more control over payment flows?