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.
Myntauktioner i Sverige AB Enters Partnership with Künker
Cooperation is the key to success. Following this motto, the Künker auction house enters another strategic partnership with Myntauktioner i Sverige AB, headed by Dan Carlberg, Sweden’s leading auction house.
Archive: Coins, Medals and more

Bulgaria, Prince Ferdinand I and the Railroad
One of the highlights of Künker’s auction 395 is a spectacular gold medal with a weight of 110 ductats. It was the personal property of Prince Ferdinand I. of Bulgaria. This medal takes us back into a period when Bulgaria modernized its economy. And the railroad system played a major role in this.

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.










Medaljer Konstnärer – Medaillen und ihre Künstler – Medals and Their Artists
Roberto Delzanno presents his publication on five important Swedish medalists. The book of over 400 pages features texts in Swedish, German and English, as it aims to introduce Swedish medal art to the broader international collector community.
A New Member to Join the SINCONA Team: Michael Otto
The SINCONA team is excited to welcome a new member. As of 1 January 2025, Michael Otto is working at the SINCONA Group’s headquarters in Zurich. He is looking forward to taking over the position as Head of Numismatics.