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
A New Era for the Caribbean: The Caribbean Guilder is Coming
In March 2025, a new currency will be introduced – the Caribbean Guilder. Collectors can look forward to intricately designed coins and banknotes that highlight the cultural and maritime identity of the islands of Curaçao and Sint Maarten.
German Coins in 2026: Two New Series and a Familiar Face
The Federal Ministry of Finance has published the coin programme for 2026. Collectors can look forward to a total of twelve coin issues covering a wide thematic spectrum.
Archive: Coins, Medals and more

The Turks, the Bohemian Estates and Two Gnadenpfennigs by Ferdinand I
SINCONA’s spring auction will be held from 13 to 15 May 2024. Among other highlights, two extremely rare gold gnadenpfennigs by Ferdinand I are on offer. The multiple coins with a weight of 10 and 15 gold gulden are among the great treasures of Habsburg numismatics. We share their story.

As the King Lay Dying… – The Most Spectacular British Gold Coin of the Modern Era
In Part 4 of its extraordinary British Collection, SINCONA will be presenting several extremely rare patterns, some of which are the best-preserved specimens available on the market. In this article, we tell their story.













When Coins meet Comics: United States Mint and Warner Bros. Join Forces
The Historic modern culture partnership is a first of its kind for the United States Mint. Collectors are invited to vote for their favorite superheroes that will be appearing on US coins soon.
Pobjoy Mints the World’s First Inverted 50 Pence Coin
Pobjoy Mint celebrates World Penguin Day with the world’s first inverted 50 pence coin. It features two emperor penguins.