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 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.
Swissmint Issue Programme 2025
Swissmint unveils its issue programme for 2025, featuring six commemorative coins across various denominations.
Archive: Coins, Medals and more

The Casa de la Moneda Museum in Madrid
Are you interested in coins of Spain and the Hispanic world? Then we have an important address for you: the Museum of the Casa de la Moneda in Madrid, which is located on the premises of the Spanish mint.

Gustav III: A Conservative Revolutionary
On 20 June 2023, Künker will auction off medals that the Swedish King Gustav III himself gave as a present to the young Peter Frederick Augustus of Oldenburg. These medals are a testament to the policies of the king who was shot dead at a masked ball in 1792.













Swedish Economy Museum Reopened
Ever since the Swedish “Economy Museum – Royal Coin Cabinet” moved to a new location in 2019, there have only been special exhibitions on display. Now, the two permanent exhibitions on the topics of money and the economy were finally opened.
Gold Coins With Altered Years: Also a Known Problem in Switzerland
In one of our last issues, we published an article by NGC about a Prussian gold coin with an altered year. Switzerland is also very familiar with such forgeries, as Patrick Huber tells us.