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 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.
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Archive: Coins, Medals and more

The Roman Civil War of 68/9: The Prelude to the Year of the Four Emperors
Heidelberger Münzhandlung will offer a series of coins of impeccable quality struck during the Roman Civil War at its auction on 12 and 13 November 2024. We take advantage of this opportunity to examine the historical background of these issues, going back to a time when counter-emperors did not (yet) dare to put their portrait on coins.

Bulgaria, Prince Ferdinand I and the Railroad
One of the highlights of Künker’s auction 395 is a spectacular gold medal with a weight of 110 ductats. It was the personal property of Prince Ferdinand I. of Bulgaria. This medal takes us back into a period when Bulgaria modernized its economy. And the railroad system played a major role in this.













NGC Promotes Ben Wengel to Senior Vice President of World Coin Grading
NGC promoted Ben Wengel to Senior Vice President of World Coin Grading. The expert for coin counterfeit detection has worked for NGC since his time as a university student.
Numismatics for the Ears: The Royal Mint Museum Explores Britain’s Seafaring History in New Podcast
The Royal Mint Museum has launched its first-ever podcast series, called “Coins and the Sea.” The podcast is part of a wider project, which includes a temporary exhibition at The Royal Mint Experience.