Watch List notes:

Great Britain, copper alloy Admiral Vernon medal, 1739, Vernon / Porto Bello, ex-Adams (plate). AC-PBv10H. 21.09 grams; 38 mm. AU with traces of mint luster and original color, especially on the stippled-field obverse, the reverse darker, one minor rim-chip (as made?). XRF: 40.15% copper, 54.15% zinc, 3.63% lead. Pedigreed to the John Adams Collection (with his handwritten tag), plated on page 57 of Medallic Portraits of Admiral Vernon (2010), by Adams and Chao.

Estimate: $500 - $1000