Watch List notes:

Great Britain, medium-sized copper-zinc Admiral Vernon medal, 1739, Porto Bello, ex-Adams (Plate).AC-PBv12J.10.98 grams, 35 mm.Olive brown AU+ with muted luster around details (especially on reverse), tall rims, scarce. Tested (XRF) at 48.87% copper and 47.72% zinc (full results on small printout included).Pedigreed to the John Adams collection (plated on p. 58 of his book), purchased from A.H. Baldwin in 1969.
($350-500)