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
Coin Dealer Italo Vecchi Charged with Grand Larceny
Coin dealer Italo Vecchi has been indicted in Manhattan for first-degree grand larceny as well as other felonies. The charges are related to the trial against Richard Beale and the forged provenance of what used to be the world’s most expensive ancient coin.
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

Queen Anne: Great Britain on Its Way to Becoming a Global Power
On 26 May 2025, SINCONA will auction off part 6 of the British Collection presenting the medals of this ensemble. In this article, we will show you some of the treasures among the lots and explore the story of Queen Anne. Under her rule, Great Britain became the most important trading power in Europe.

Highlights from the Bruun Collection
Stacks will sell the about 20.000 coins of the Bruun Collection in various auctions. The first sale features 300 Scandinavian rarities with an estimated value of 10 million US dollars. Learn more about two of the highlights: a Danish gold noble and a Norwegian Speciedaler dated to 1661 depicting the fortress of Akershus.













Royal Dutch Mint and Osborne Coinage Join the Heimerle + Meule Group
It was only recently that we posted about the acquisition of Reischauer by the Heimerle + Meule Group – but the next big announcement follows right away: the company acquired all shares in the Royal United Mint, who is the parent company of well-known businesses like the Royal Dutch Mint and Osborne Coinage.
Bernt Ahlström (1936-2019)
You will hardly find a dealer in the numismatic world who is completely unfamiliar with the name Bernt Ahlstrom. On the occasion of the sale of his numismatic library at Gut-Lynt, Arne Kirsch recounts the eventful life of the coin dealer and bon vivant.