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
Double Beginner’s Luck: Man Wins Metal Detector and Finds Hundreds of Coins
A Dorset man was lucky enough to experience two windfalls this spring. First he won an expensive metal detector in a prize draw, then – just a short time later – he made a valuable find with it.
CoinsWeekly Special Issue for the Evento Numismático International Madrid 2025
On the occasion of the 2025 Evento Numismático International in Madrid, we are once again publishing one of our printed CoinsWeekly Special Issues, this time in Spanish. Read all about the Traveling Emperor Hadrian and his coinage.
Archive: Coins, Medals and more

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.

Gold at Record Highs: Melt Down or Preserve Historic Gold Coins?
Gold is now more expensive than ever. This trend has put many collectors and dealers in a moral dilemma: Which gold coins can be sold or melted down without hesitation, and where do the real treasures lie?













Now available: Our CoinsWeekly Special Issue for the World Money Fair 2025
We usually publish our printed CoinsWeekly Special for the World Money Fair in German, as it is tailored to all the German visitors. This year, however, we decided to also offer an English version of the issue as a download for our international readers. We hope you enjoy reading it!
Bulgaria Will Adopt the Euro in 2026
The euro area is expanding: On June 4, 2025, the European Central Bank confirmed that Bulgaria meets the requirements for joining the eurozone. This clears the way for the introduction of the euro on January 1, 2026 – provided that preparations can be completed in time.