Switzerland
Confederation gold "Swiss Confederation 150th Anniversary" Proof 100 Francs 1998-B Gem Proof, Bern mint, KM83, HMZ-21218b. Struck on the 150th anniversary of the formation of the Swiss Confederation. No box or COA is included but the coin is in a plastic capsule from the Swissmint with a mintage of 2,500. AGW 0.6534 oz.
Estimate: 800-900 USD