Archive: People and Markets
The Numismatic Index on 11 May 2023
The numismatic index numindex transparently shows how the prices of selected coins change over time. In the style of a stock index, it was designed for collectors who consider their collection an investment. Find out about the current state of the index.
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
Archive: Coins, Medals and more

VOC: The Other Side of the Dutch Golden Age
VOC coins tell the story of the Netherlands’ colonial past. The States General granted the VOC all the rights of an independent state: it could declare war, make treaties and issue its own currency. Join us on a trip to Indonesia, the place where the spices grew that financed the Dutch Golden Age.

Two Cityscapes on Coins From Frankfurt am Main and The Artwork That Inspired Them
Many engravers used contemporary media to make their work easier. Their coin designs were often based on well-known engravings. This is illustrated by two pieces from the Loos Collection, which will be auctioned by Künker in September 2023.











A-Mark Precious Metals Acquires Stack’s Bowers Galleries
One of the largest auctioneers in the numismatic world has a new owner. Stack’s Bowers Galleries, including its parent company, entered into a definitive merger agreement to be acquired by A-Mark Precious Metals.
NGC introduces New High-Security Hologram with QR Codes
NGC is introducing a new high-security hologram as part of its efforts to combat counterfeiting of certifications. Among the hologram enhancements are a QR code and a numerical security code that are unique to the specific encapsulated collectible, making it extremely difficult for counterfeiters to replicate or tamper with the NGC holder.