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
Largest Hoard of Ancient Gold Coins Discovered in Luxembourg
At the end of 2019, two amateur archaeologists in Luxembourg made an impressive discovery that has now been made public: 141 exceptionally well-preserved solidi from the last third of the 4th century. It is the largest hoard of ancient gold coins ever discovered in the Grand Duchy.
Data Breach During Sale of 2-Euro Coin in Cyprus: How to Avoid Server Crashes
Cyprus wanted to celebrate the 20th anniversary of its EU membership with a 2-euro coin – but the party turned into a fiasco. Even before the start of sales, the server crashed; at times, customers could see the data of other buyers, and to this day, it is unclear whether the central bank will make another attempt to sell the coins.
Archive: Coins, Medals and more

Unity Coin Sows Discord: More Than Just a Matter of Taste?
The fall of the Berlin Wall and reunification are considered, despite occasional tensions between East and West, as a defining moment in German history, a cause for celebration for many Germans – but not, it seems, within certain corners of the German coin collecting community.

Joachimsthal and the Reformation
On 29 January 2025, Künker will auction a series of valuable Renaissance medals. They feature biblical topics and were minted in the region of Joachimsthal to spread the teachings of the Reformation. Johannes Mathesius, the author of Luther’s Table Talk, may have been at the origin of some of the motifs.













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.
IAPN General Assembly in Marseille 2023
At their 71st General Assembly in Marseille, the International Association of Professional Numismatists elected new members, increased the Executive Committee, and awarded the prestigious IAPN Book Prize.