Watch List notes:

Great Britain, copper-zinc Admiral Vernon medal, 1739, Porto Bello, ex-Adams.AC-PBv41NN.17.34 grams, 37 mm. Bold UNC with light-brass color and muted luster, scarce. Tested (XRF) at 48.84% copper and 47.49% zinc (full results on small printout included).Pedigreed to the John Adams collection.
($350-500)