Great Britain, copper alloy Admiral Vernon medal, 1739, Vernon / Porto Bello, ex-Adams (plate), ex-Craige. AC-PBv41U. 19.23 grams; 38 mm. Dark olive UNC with some surfaces faintly oxidized, slightly more tin content than most. XRF: 40.12% copper, 51.93% zinc, 5.69% lead, 1.08% tin. Pedigreed to the John Adams Collection (with his handwritten tag), plated on page 76 of Medallic Portraits of Admiral Vernon (2010), by Adams and Chao, and to the Ted Craige Collection.
Estimate: 400 - 600 USD