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
The Perth Mint Celebrates with Cake for 125th Birthday – and a Special Sovereign Coin
On June 20th, The Perth Mint celebrated the significant milestone of 125 years of operation as a gold refiner and producer of high-quality precious metal coins.
Swiss Linguistic Diversity Gold Coin
The latest Swiss gold coin “Swiss Language Diversity” honors cultural diversity and multilingualism as the very essence of Switzerland.
Archive: Coins, Medals and more

Frederick III of Denmark and Eben Ezer
SINCONA’s Auctions 92 to 95 will take place from 21 to 25 October 2024. This article introduces one of the many rarities up for sale: a so-called “Ebenezer” coin from Denmark. The 4-Ducat piece is extremely rare and of great historical interest.

Berlin and South Africa – A Time-Honoured Connection
Did you know that the first coins of the Boer Republic came from Berlin? It was quite a challenge to create the dies because the Berlin engraver Otto Schulz had no idea of Boer identity, which is why things almost went wrong…













Minerva Magazine Ceased Publishing
The archaeological journal Minerva, founded in 1990, will discontinue its service with its last issue in July/August 2023. The reason for this, it says, are the lingering effects of the pandemic and increased costs. The last issue can be downloaded for free.
Precious Metals Future Forum 2025: Between Geopolitical Uncertainty and Digital Transformation
The inaugural Precious Metals Future Forum in Frankfurt has highlighted how profoundly the precious metals industry is undergoing change – economically, geopolitically, and technologically.