Watch List notes:

Great Britain, copper-zinc Admiral Vernon medal, 1739, Porto Bello, ex-Adams.AC-PBv7E.16.31 grams, 38 mm .XF, matte brown obverse but bright copper color on reverse. Tested (XRF) at 51.52% copper and 44.75% zinc (full results on small printout included).Pedigreed to the John Adams collection.
($150-225)