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
Ukraine Plans to Rename Small Coins: ‘Kopiyka’ to Become ‘Shah’
Ukraine is taking another step to distinguish itself from Russia by planning to rename its small coins. According to a statement from the National Bank in Kyiv, the term “Kopiyka” will be replaced with “Shah” in the future.
National Museum of Denmark Acquires Seven Coins of the Bruun Collection
The National Museum of Denmark used its right of first refusal to buy extremely rare coins from Lars Emil Bruun’s collection before they are to be sold at auction. Here you can see the seven extraordinary pieces!
Archive: Coins, Medals and more

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?

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.













The Numismatic Index on 25 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.
Call for Papers: AIA Annual Meeting 2025
The Numismatics Interest Group of the Archaeological Institute of America invites abstracts on ancient coins and archaeology for the AIA Annual meeting 2025. They can be submitted until 28th February 2024.