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.
The British Museum: When Theft Becomes PR
Once again, the BM made negative headlines: Ilé Sartuzi stole a coin unnoticed during a hands-on tour and declared this an artistic performance. A commentary by Ursula Kampmann.
Archive: Coins, Medals and more

Münster, Osnabrück, Passau and the Counts of Lamberg
Münster, Osnabrück and Passau: How are these places related to the Counts of Lamberg? We use coins from Künker’s auction 424 to illustrate how noble families in the Holy Roman Empire climbed the social ladder in early modern times, and explain the reasons for and the consequences of such ascents.











CCG is Expanding its Network of Partners
CCG is continuously expanding its network of partners around the globe. Recently, for example, they appointed Currencypedia as an NGC and PMG Authorized Dealer in India and Aste Aurora an Official Submission Center in San Marino.
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.