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
Luther Medals and Reformation Coins – Exhibition in Saint Louis
A new exhibition in Saint Louis explores the topic of coins and medals of the Reformation. It presents over 125 of the most valuable and historically significant pieces from the collections of three important Michigan collectors.
The Numismatic Index on 13 June 2023
The numismatic index numindex transparently shows how the prices of selected coins change over time. In the style of a stock index, it was designed for collectors who consider their collection an investment. Find out about the current state of the index.
Archive: Coins, Medals and more

Sisi and Franz: Commemorating the Dream Wedding that Was Actually a Nightmare
As part of the phaleristic auction 415 on 28 October 2024, Künker will be auctioning the set of gold medals that Emperor Franz Joseph presented to his father-in-law, Duke Maximilian Joseph in Bavaria. It is the numismatic souvenir of a wedding that turned out to be a nightmare for his daughter – young Elisabeth, who is better known as Sissi or Sisi today.

The Wedding of a Century in Saxony
In the days of absolutism, a feast was not simply a gathering of friends and family. It was a political means of propagating one’s status. That is exactly what Augustus the Strong did in 1719. His son’s wedding was nothing but a welcome occasion.













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.
Imperial Impressions – New Exhibition at the Kunsthistorisches Museum in Vienna
A new temporary exhibition at the Kunsthistorisches Museum Vienna is exploring medals as a form of art and a tool of courtly representation for the House of Habsburg. The focus is also on the court medalists.