Great Britain, copper alloy Admiral Vernon medal, 1739, Vernon and ship and cannon / Porto Bello, ex-Adams. AC-PBvi20II. 11.03 grams; 38 mm. AU- with light brassy luster around details, well-struck example for this scarce variety (only seven reported), per Adams' comment on tag: "early state before legend line has failed." XRF: 37.48% copper, 55.13% zinc, 5.98% lead. Pedigreed to the John Adams Collection (with his handwritten tag) and to the Stack's auction of June 2012 (lot 421).
Estimate: 300 - 450 USD