Watch List notes:

Great Britain, copper alloy Admiral Vernon medal, 1739, Vernon and cannon and ship / Porto Bello, ex-Adams (plate). AC-PBvi17Y; Betts-234. 10.49 grams, 38 mm. Dark red-brown surfaces with luster, AU grade but high points slightly flat. XRF: 37.93% copper, 53.63% zinc, 6.08% lead. Pedigreed to the John Adams Collection (with his handwritten tag), plated on page 102 of Medallic Portraits of Admiral Vernon (2010), by Adams and Chao.
($350-500)