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
Hobby Detectorists Find Viking Treasures
Two coin hoards from Viking times were found by detectorists in Denmark at once. The coins by Harald Bluetooth tell of a dramatic period and led researchers to the sensational find of a settlement area.
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

A War Fought with Unusual Weapons: How Prussia Used Finance and Politics to Force the Habsburg Hereditary Lands Out of the German Confederation
On 26 March 2024, the Künker auction house will offer the Tursky Collection with coins of Emperor Franz Joseph I. We use specimens from this collection to tell the story of how Prussia used its economic sway to become the sole hegemonic power in Germany.

The First Error Coins from Croatia
Croatian euro coins are still quite new: the popular tourist destination introduced the currency as recently as in January 2023. By now, the first Croatian coins have long found their way into Central European wallets – and there are also some error coins among them!













Price Decline for Monaco Euro Coins – Is the Hype Over?
For many years, Euro coins from Monaco were regarded as true treasures among collectors. The exclusive mintings from the small principality were highly sought after, with prices seemingly heading in only one direction: steeply upwards. But now that trend appears to have come to an end—why?
2-Euro-Ticker: New 2-Euro Coins in November
The year 2024 is drawing to a close, and collectors of 2-euro coins are eagerly awaiting the final releases among the 35 designs planned for this year. Meanwhile, a minor scandal surrounding the launch of a new 2-euro coin has caused quite a stir.