

Persian satrap Mazzaios.
AR Stater (361-334 BC)
with Baal of Tarsus.
Condition: ef.

AE Sestertius (AD 80–81), Rome.
"Judaea Capta" type.
Condition: rare, ef.

AV Aureus (AD 107–113), Rome.
Restitution issue honoring Augustus.
Condition: extremely rare, near vf.

Arendsrijksdaalder (Eagle Rixdollar), 1598.
Condition: very rare, vf.

Thaler, 1657.
Bearing the title of Ferdinand III.
Condition: near ef/ef.

Vereinstaler 1857.
Condition: attr. piece, first strike.

Convention thaler, n.d. (after 1803),
issued on the death of Duke Georg.
Condition: extremely rare, unc.

Banque des États de l'Afrique Centrale,
1000 francs 1974.
Condition: I-.
Archive: People and Markets
How AI Is Transforming Numismatics
Can entire numismatic reference books be written by artificial intelligence? Are ChatGPT and similar technologies becoming competitors for news portals, specialist publishers, and PR agencies? What can AI truly achieve? We put it to the test.
Our Event Sites for the Coin Fairs in Basel and Munich
On the last weekend in February and the first weekend in March, two coin fairs took place that we didn’t want to miss: First the Basel Coin Fair, then the NUMISMATA in Munich. You can find our impressions of the fairs on two event sites.
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.

What Will Be Depicted on Croatia’s Euro Coins?
In 2023, Croatia will become the youngest member of the euro zone. The themes of Croatia’s euro coins have already been chosen – and one of them has stirred up controversy. Let’s find out how Croatia presents itself to Europe on its new coins.












The Black Lizard from Brusnik Island in Ultra-High Relief
Croatia is home to a lizard species that would have impressed even Darvin himself: the autochthonous black lizard, found only on the island of Brusnik. On 14 March 2024, Croatia issued three collector coins in its honour. Now the fourth, a two-ounce silver version in ultra-high relief, has been released.
Euro Counterfeits: Fraudsters Increasingly Target Commemorative Coins
The number of counterfeit euro coins surged dramatically in 2023, with €2 coins—particularly commemorative issues—being the primary targets. Counterfeiters are employing increasingly sophisticated techniques, while investigators are analysing new varieties to track down illegal minting operations.