Great Britain, copper alloy Admiral Vernon medal, 1741, Vernon / Cartagena, ex-Adams. AC-CAv2B. 16.73 grams; 38 mm. Sharply detailed XF+ with much original copper color and luster, a few light old marks on reverse. XRF: 42.36% copper, 49.08% zinc, 6.74% lead. Pedigreed to the John Adams Collection (with his handwritten tag).
Estimate: 200 - 300 USD