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
Bulmint
In March 2023, Ursula Kampmann visited Bulmint’s production facilities. ALL steps that are necessary for the manufacture of gold and silver coins are carried out there. By looking at the various departments, we can learn about every step in the production of a coin.
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!
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.

Rebel Emperors of Britannia: Carausius and Allectus
At the end of the third century AD, Carausius and Allectus successively ruled Britain, and parts of the Continental coast, as rebel emperors for a period of ten years. A new book, published by Spink Books, aims to tell the incredible story of these two rebel emperors. Learn more about them and their rich coinage in this article.













Increasing Prices for German Coin Sets: Is This The End of Proof Coin Collecting?
Official coin sets – for many coin collectors, these issues are an essential part of a complete collection. The number of produced sets, however, has been diminishing significantly for years, and a huge price adjustment could now deter collectors even further.
Raymond Weiller (1938-2022)
Only now it became known that Raymond Weiller, the former head of the coin cabinet of the Luxembourg National Museum, passed away in April 2022. Jean Krier remembers the distinguished Luxembourg numismatist.