Archive: People and Markets
CAC Grading Service Begins Full Operations
With their famous green stickers, CAC was previously known mainly for the evaluation of high-grade coins already certified by other grading services. After a test phase, CAC has now fully launched its own grading service.
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.
Archive: Coins, Medals and more

Record! South African Rarity Leaves All Previous Top Prices Far Behind
Recently, a South African coin was auctioned at Heritage for $1.8 million (excluding premium) – exceeding the previously highest known auction results for South African coins by a remarkable $1.5 million. What makes the “Single 9” such a rarity?

Cleaning, Patina, Verdigris etc.: Which Errors Affect the Price of a Coin? – Part 2
The price of a coin does not only depend on its rarity and quality. In the second part of our overview we will talk about wear and tear, cleaning and the consequences of environmental processes.










Sir Winston Churchill at 150: Highlights From the J. Eric Engstrom Medal Collection
Last November, Winston Churchill would have turned 150 years old. To mark the occasion, the Heberden Coin Room at the Ashmolean is displaying pieces from their rich collection of medals related to Churchill, most of which come from the J. Eric Engstrom Collection of Churchill Medals.
From a Collector’s Market to an Investor’s Market: Reasons, Consequences, Opportunities, Part 1
Complaining is of no use: change is coming, or may already be here. The question is how to deal with it. In order to develop smart strategies, one must be aware of what is actually happening and why. Ursula Kampmann summarizes the most important changes in the coin world in a loose series. Today: the shift from a collector to an investor market.