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
Register Now for the 30th Annual ICOMON Conference
The Economy Museum in Stockholm will host this year’s conference of the International Committee for Money and Banking Museums (ICOMON) on 25-28 September 2024. The registration is now open and the preliminary program is available online.
A Year of Gold Bars in US Supermarkets: Could the Costco Model Work in Europe?
Since autumn 2023, Americans have been able to invest in gold at the wholesale chain “Costco.” Those who bought then have enjoyed a handsome return – but whether gold will ever be sold at Aldi or Lidl in Europe remains uncertain.
Archive: Coins, Medals and more

Cleaning, Patina, Verdigris etc.: Which Errors Affect the Price of a Coin? – Part 2
The price of a coin does not only depend on its rarity and quality. In the second part of our overview we will talk about wear and tear, cleaning and the consequences of environmental processes.

Coins on Coins: When Numismatic Legends Are Reborn
Switzerland receives much acclaim for its redesign of the 100-franc Vreneli. Yet, success is not a given—numerous challenges arise for mints and artists alike.













Leu Numismatik Sponsors the New Friedrich Imhoof-Blumer Fellowship in Winterthur
Leu Numismatik is supporting the new Friedrich Imhoof-Blumer Fellowship at the Coin Cabinet in Winterthur, which will be awarded for the first time in 2025. The fellowship, endowed with CHF 3,000, is aimed at early-career researchers working on a numismatic project. Application deadline: June 30, 2025.
Florida Recognises Gold and Silver as Legal Tender
A new step in the monetary policy of US states: the “Sunshine State” will soon allow certain precious metal coins to be used in everyday transactions. However, this alternative form of currency must meet specific requirements in order to qualify.