How Do We Even Know When The Battle at Marathon Took Place?

On 22nd March 2021, Künker will be auctioning off an extensive collection of coins of Roman Alexandria. Among them are 14 specimens of the zodiac series of Antoninus Pius. These pieces tell us something about how we know when events took place in ancient history.

0 CHF Banknotes Made in Switzerland – A New Field of Collection

Since 2017, there have been 0 CHF souvenir banknotes. Compared to the field of 0 euro banknotes, the quantity of issued notes is rather small. Thus, it may be a good moment to enter this field of collection! Our author numiscontrol knows what you have to keep in mind.

How to Detect Counterfeits at All Times. Part 3: British Sovereigns

British sovereigns are popular collector and bullion coins – and often forged. Are you sure that all your coins are authentic? The expert Peter Zgorzynski shows in this article how counterfeit sovereigns can be identified.

Where Do I Find Euro Coins from Various Nations by Going Through Circulation Coinage?

Are you looking for foreign euro coins for your collection without success? Especially in times of Corona it isn’t easy to collect actively. Our expert numiscontrol provides you with practical tips on where to find coins from other nations conveniently, cheaply and quickly even now.

$9.36 Million: Why the Brasher Doubloon Is the Most Expensive Gold Coin of the World

On 21 January 2021, a new record price was set by a Brasher Doubloon. At 7.69m euros, it is currently the world’s most expensive coin. We explain why someone invested so much money into this 1787 coin.

The Last Years in the Life of Jacques-Antoine Dassier

On 28th January 2021, a Künker auction presents a 10-ruble piece from 1757 whose die was created by the Genevan medalist Jacques-Antoine Dassier. But this is not the only special thing about it: A small collector’s hallmark proves it once belonged to the Hutten-Czapski collection.