Archive: People and Markets
The Brahekyrkan Coin Hoard – A Sensational Find on Visingsö
Swedish archaeologists made a spectacular discovery on the island of Visingsö. They found 170 coins from the mid-12th century in a grave, posing a number of questions.
How AI Is Transforming Numismatics
Can entire numismatic reference books be written by artificial intelligence? Are ChatGPT and similar technologies becoming competitors for news portals, specialist publishers, and PR agencies? What can AI truly achieve? We put it to the test.
Archive: Coins, Medals and more

Planchet Error, Overstrike, Double-Strike, Etc.: Which Errors Affect the Price of a Coin? – Part 1
The price of a coin does not only depend on its rarity and grade. There are many things that can affect a specimen’s value in a positive or negative way. This overview will help you to understand common terms, to use them confidently and to understand them in their context.

Highlights from the Bruun Collection
Stacks will sell the about 20.000 coins of the Bruun Collection in various auctions. The first sale features 300 Scandinavian rarities with an estimated value of 10 million US dollars. Learn more about two of the highlights: a Danish gold noble and a Norwegian Speciedaler dated to 1661 depicting the fortress of Akershus.










PNG 2023 Lifetime Achievement Award to Robert Brueggeman
Robert Brueggeman has been honored by the Professional Numismatists Guild with the 2023 Harvey G. Stack Lifetime Achievement Award. He was not the only numismatist to be honored with a PNG award.
Change at the Helm of the U.S. Mint – Gibson Resigns
The upheaval in the U.S. administration is also affecting the U.S. Mint. Director Gibson resigned. This does not come at an easy time for the institution.