Great Britain, uniface copper alloy Admiral Vernon medal (button), (ca. 1739), Vernon with cannon and anchor, extremely rare, ex-Adams. AC-UNI11. 5.90 grams; 29 mm. Worn VG but at least not corroded from burial, nice chocolate color, with loop on back 100% intact. Curiously, Adams' tag says "Adams plate example," but it is not the one plated on page 191 of AC. XRF: 46.44% copper, 46.51% zinc, 5.67% lead. Pedigreed to the John Adams Collection (with his handwritten tag), acquired from Jim King in December 1984.
Estimate: $500 - $1000