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
Warning Against Overpriced Coins: “Stick Figure” and “Woman on a Bull” Designs Aren’t Just Found in the Euro Zone
“Mega-rarity from your change” – sensational headlines like these frustrate coin collectors and dealers across Europe. Yet, it’s not just within the Eurozone that supposed rarities, often lacking genuine collector value, make waves.
Coins and Mints in Avignon Between Provence and Papacy
The French Society for Numismatic and Archaeological Studies (SÉNA) published the proceedings of their 2017 colloquium. The volume presents various works and studies on the coinage in and around Avignon.
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.

400 Years Ago – The Founding of Kongsberg
On 2 May 1624, Christian IV of Denmark and Norway founded the mining town of Kongsberg. A series of coins to be offered in the upcoming Künker sale tells us of the hopes that the ruler placed in the silver from these mines.













Hobby Detectorists Find Viking Treasures
Two coin hoards from Viking times were found by detectorists in Denmark at once. The coins by Harald Bluetooth tell of a dramatic period and led researchers to the sensational find of a settlement area.
Osaka 2025 World Expo Commemorated with Silver Coin
For Expo2025 Japan plans to issue five different coins. For one of these the Ministry of Finance has released the Design of a 1,000-Yen silver coin.