Great Britain, uniface copper alloy Admiral Vernon medal (button), (ca. 1739), Vernon with ship and cannon, extremely rare, ex-Adams. AC-UNI9. 4.72 grams; 29 mm. Dark with bold VF details but somewhat crusty and corroded from burial, traces of the back-loop remaining. XRF: 66.34% copper, 18.18% zinc, 12.50% lead. Pedigreed to the John Adams Collection (with his handwritten tag).
Estimate: $500 - $1000