Great Britain, copper alloy Admiral Vernon medal, 1739, Vernon / Porto Bello, ex-Adams, ex-Craige. AC-PBv29Z. 17.20 grams; 38 mm. UNC with traces of light copper color, small area of oxidation near rim on reverse. XRF: 47.61% copper, 46.33% zinc, 4.43% lead. Pedigreed to the John Adams Collection (with his handwritten tag) and to the Ted Craige Collection.
Estimate: 300 - 450 USD