Watch List notes:

Great Britain, small copper alloy Admiral Vernon medal, Vernon with cannon and ship / Porto Bello, 1739, ex-Adams. AC-PBvi15T. 27 mm, 4.91 grams. Choice AU (formerly NGC AU 55, #456346-001) with even brown color and muted luster, tiny edge-notch, described on Adams' tag as "Much nicer surface than usually seen on this non-Pinchbeck variety." XRF: 47.61% copper, 50.86% zinc, 1.14% lead. Pedigreed to the John Adams Collection (with his handwritten tag) and to the Stack's Bowers Americana auction of January 2012 (lot 6013).
($350-500)