Numismatic Puzzle: A Feast in Geneva in 1701

The piece from today’s puzzle comes from the upcoming SINCONA Auction 97:

Silver medal n.d (1701), Geneva. Commemorating the New Century and the Adoption of the Gregorian Calendar, so called “Médaille de la Truite“. Very rare. About Uncirculated. / Small scratches and edge flaws. From Auction SINCONA 97 (2025), lot 3282. Estimate CHF 5,000.

Have fun with the puzzle!