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
Questions and Answers for Coin Collectors Regarding the Death of Pope Francis
Following five different coin series since 2002, the Vatican is set to issue new euro coins this year. When the change to a new pope on the coins will take place, and how the Sede Vacante will be commemorated numismatically, remains unclear – as does the timing for the return of the Vatican’s coin issuing office for collectors.
A Great Numismatist’s Important Book Published Posthumously
About a year after Wolfram Weisers death, his book on the currency of the Roman Empire has been published. Prof. Johannes Nollé has taken a closer look at this important German study.
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.

The Heidelberg Tun and Early Modern Winemaking
The most well-known symbol of the city of Heidelberg actually began as a sort of treasury: the Heidelberg Tun was built to accommodate the Palatinate’s tax revenue generated from winemaking. And then a Calvinist propagandist turned it into a tourist attraction. This is reflected in a medal that Künker will be auctioning on 29 September 2023.













Provenanced Coin Finds Versus Rarities – The Importance of Coin Finds for Historical Statistics
Reporting coin finds is essential for the study of coinage. A Workshop in Jordan discussed the importance of coin finds for historical statistics and the experience of a group of Syrian archaeologists who turned to one of the most important groups of coin finders: children.
A Historic Unique Piece Offered for Shared Ownership – A Model for the Future?
A US coin dealer is offering co-ownership shares in a top rarity: shareholders can even choose their desired piece of a rare $100,000 gold certificate.