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
From a Collector’s Market to an Investor’s Market: Reasons, Consequences, Opportunities, Part 2
Today we continue Ursula Kampmann’s analysis of the change from collector to investor market with the second part. Find out how the market for American coins became a perfect investor’s market.
Museums, the Coin Market, and the Public – Insights Into a Fruitful Cooperation
On the occasion of the Evento Numismático in Madrid, CoinsWeekly will host an international conference session on the cooperation of all stakeholders in numismatics. We feel honoured that the organisers asked us to contribute to this event.
Archive: Coins, Medals and more

Planchet Error, Overstrike, Double-Strike, Etc.: Which Errors Affect the Price of a Coin? – Part 1
The price of a coin does not only depend on its rarity and grade. There are many things that can affect a specimen’s value in a positive or negative way. This overview will help you to understand common terms, to use them confidently and to understand them in their context.

100 Yuan Lion Dance 1995: One of the Rarest Chinese Coins of Our Age
From 13 to 15 May 2024, Heidelberger Münzhandlung will hold its 88th auction sale. Among the highlights are some of the rarest contemporary issues from China, including the 100-yuan Lion Dance coin of 1995. 1,000 specimens should have been minted – but in the end, only 138 were produced.













69th ANS Summer Seminar 2025 – Open for Applications
The American Numismatic Society has announced the dates of its Summer Seminar 2025. With the support of this year’s visiting scholar, Professor John Ma, the eight-week program will offer lectures and workshops on numismatic methods, theories, and history.
ACCG Introduces Their New Executive Director
Since January 1, 2024 the Ancient Coin Collectors Guild has had a new Executive Director: Keith Twitchell. Twitchell replaces Peter Tompa, who will remain active on the ACCG Board of Directors