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
IAPN Asks Collectors to Help Protect Roman Coin Collecting
Will Roman coins in general be considered the cultural property of Italy by US Customs unless you can provide extensive proof of ownership? Such concerns are raised by the proposed extension of a Memorandum of Understanding between the US and Italy. The IAPN is calling on collectors to take action.
Certified Collectibles Group to Acquire James Spence Authentication
Certified Collectibles Group acquires the leading autograph authentication firm James Spence Authentication.
Archive: Coins, Medals and more

The Suffering of Leiden – A Siege During the Dutch Revolt
The third part of the Beuth Collection that Künker offers in Auction 420 contains many historically interesting emergency and siege coins. They were issued by the Dutch towns besieged by Spain during the 80 Years' War. One of these towns was Leiden, which to this day commemorates the end of the siege every year with a festival.

From Taler to Mark: The Long Road to a Common Currency
As Germany gradually evolved into a nation-state in the 19th century, the many currencies that circulated in its territories were also unified step by step. Coins from the Duchy of Saxe-Coburg and Gotha in Künker’s auction 388 illustrate the long path from the taler to the mark.













Have We Reached the Limit? 2-Euro Collectors Are Giving Up In the Face of a Myriad of Varieties
Collecting coins is a hobby that is not only educational but, at its best, should provide lasting pleasure. However, if you look at the relevant online forums, Facebook groups and Discord servers, you get the impression that more and more 2-euro collectors are no longer enjoying their hobby.
A Short Numismatic History of New Zealand
Heritage offers a banknote that is considered a highlight of the monetary history of New Zealand. Reason enough for coin dealer Joshua Lee to present some of New Zealand’s most spectacular coins and banknotes.