Watch List notes:

Great Britain, copper alloy Admiral Vernon medal, 1739, Vernon / Porto Bello, ex-Adams. AC-PBv47TT; Betts-unl. 11.78 grams, 38 mm. Dark XF with black toning around details, small bulges in obverse fields, scarce dies, unusually high copper and lead content. XRF: 58.74% copper, 28.44% zinc, 10.74% lead. Pedigreed to the John Adams Collection (with his handwritten tag).
($200-300)