Watch List notes:

Great Britain, copper alloy Admiral Vernon medal, 1739, Vernon with cannon and ship / Porto Bello, ex-Adams. AC-PBvi3C. 12.71 grams; 37 mm. Choice AU with much original brassy color and luster but also some encrustation here and there on reverse. XRF: 40.09% copper, 50.98% zinc, 6.12% lead. Pedigreed to the John Adams Collection (with his handwritten tag).

Estimate: $400 - $600