Watch List notes:

Great Britain, silver-plated copper-zinc Admiral Vernon medal, 1739, Porto Bello, ex-Adams.AC-PBvi23LL.13.10 grams, 40 mm.XF with most of the plating remaining (lustrous in places), toned around details, mounted in a thin (old) silver bezel with brass jump-ring at top (Adams: "Neat piece of work!"), the medal itself tested (XRF) at 56.08% copper and 36.35% zinc with 3.29% tin and 1.37% silver from the plating (full results on small printout included).Pedigreed to the John Adams collection.
($150-225)