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
Red Alert at the British Museum
Thousands of objects have disappeared from the British Museum – allegedly stolen by a senior curator. The matter was uncovered by an antiquities dealer, whose warnings fell on deaf ears. The museum’s director has stepped down, and this seems to be merely the tip of the iceberg.
Bernt Ahlström (1936-2019)
You will hardly find a dealer in the numismatic world who is completely unfamiliar with the name Bernt Ahlstrom. On the occasion of the sale of his numismatic library at Gut-Lynt, Arne Kirsch recounts the eventful life of the coin dealer and bon vivant.
Archive: Coins, Medals and more

Royal Gold: England’s Five Guineas and the English Gold Currency
On 10 December 2024, Numismatica Genevensis will offer the most complete run of English Five Guineas ever sold at auction. The pieces are considered to be the most beautiful and the heaviest English circulation issues in gold. They were struck from 1668 to 1777, during the period when England replaced its bimetallism with the gold currency. Read on to find out more.

The Turks, the Bohemian Estates and Two Gnadenpfennigs by Ferdinand I
SINCONA’s spring auction will be held from 13 to 15 May 2024. Among other highlights, two extremely rare gold gnadenpfennigs by Ferdinand I are on offer. The multiple coins with a weight of 10 and 15 gold gulden are among the great treasures of Habsburg numismatics. We share their story.













Certified Collectibles Group to Acquire James Spence Authentication
Certified Collectibles Group acquires the leading autograph authentication firm James Spence Authentication.
Reformation Coins and Medals: Annotated English Translation of “Ebenezer”
The International Association of Reformation Coins and Medals (IARCM) announced the publication of a significant numismatic resource: a comprehensive, annotated English translation of Christian Schlegel’s “Ebenezer,” the third section of Ernst Solomon Cyprian’s celebrated “Hilaria Evangelica,” first published in 1719.