Watch List notes:

Great Britain, copper alloy Admiral Vernon medal, 1739, Vernon / Porto Bello, ex-Adams (plate). AC-PBv21Q. 17.49 grams; 37 mm. Choice XF+ with much original luster and brassy color. XRF: 41.75% copper, 52.08% zinc, 4.54% lead. Pedigreed to the John Adams Collection (with his handwritten tag), plated on page 63 of Medallic Portraits of Admiral Vernon (2010), by Adams and Chao.

Estimate: $500 - $1000