Archive: People and Markets

CoinsWeekly Special Issue for the Evento Numismático International Madrid 2025

On the occasion of the 2025 Evento Numismático International in Madrid, we are once again publishing one of our printed CoinsWeekly Special Issues, this time in Spanish. Read all about the Traveling Emperor Hadrian and his coinage.

Introducing Nanoshine: CIT’s Butterfly

CIT’s Butterfly seems delicate, fragile and beautiful, just like its real-life model. The technical marvel behind it only becomes apparent at second glance. Nanoshine is a completely new technology with the potential to transform the aesthetics of coin design.

Ursula Kampmann with Keith Twitchell at the 2024 NYINC. Foto: Sebastian Wieschowski.

ACCG Introduces Their New Executive Director

Since January 1, 2024 the Ancient Coin Collectors Guild has had a new Executive Director: Keith Twitchell. Twitchell replaces Peter Tompa, who will remain active on the ACCG Board of Directors

The Numismatic Index numindex in November 2023 – Your Feedback Counts!

At the beginning of the year, numindex was launched as a kind of stock index for coins. In addition to regular updates, some helpful new features have since been introduced. Your opinion as a CoinsWeekly reader is now needed!

Archive: Coins, Medals and more

Mit dieser Münze stimmt etwas nicht! Bild: NGC. Gemälde im Hintergrund: Eduard Gaertner, Unter den Linden, 1852

Counterfeit Detection: Altered Prussia 20 Mark

An NGC expert gives us insight into his everyday life. He shows how the year on a coin from the German Empire was altered by a coin doctor.

Coloured Metal from Austria: Niobium Coins

In 2003, the Austrian Mint introduced a new metal with exciting characteristics to the world of coins: niobium. The beginning of a success story.
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