Archive: People and Markets

Striking Designs – Exhibition at the Dumbarton Oaks

A new special exhibition is on view at the Dumbarton Oaks Museum in Washington D.C. „Striking Designs: Communicating Through Coins” explores what the images on coins can tell us about the late Roman and Byzantine empire.

An “Error Coin” No Collector Is Happy About

The quality of the country’s collector coins is the subject of heated debate in Germany. This regards silver coins and colour issues. But the problem is not limited to German mints – the phenomenon of “milk spots” in particular is a major concern for coin producers around the world.

PMG Grading On-site Service at the HKINF

NGC Hong Kong will accept PMG on-site grading submissions and will offer free paper money evaluations at the Hong Kong International Numismatic Fair (HKINF), on December 11-13, 2023.

Stack’s Bowers Galleries has relocated their Hong Kong headquarters to larger corporate offices at Unit 2202-03, 22/F, Mira Place A. Photo: Ralf Roletschek / CC-BY3.0

Stack’s Bowers Moves Into New Hong Kong Office

Stack’s Bowers Galleries has relocated their Hong Kong headquarters. The new space is larger with a state-of-the-art auction facility. Opening will take place on October 11.

Archive: Coins, Medals and more

State-of-the-Art Minting Technology

Colours, special shapes, inlays, micro inscriptions, latent images and holograms – many technologies are used on commemorative coins today. In this article, we give you a little overview of the different technologies that are currently applied in the coin producing industry.
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.
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