Great Britain, copper alloy Admiral Vernon medal, 1741, Vernon and Lezo / Cartagena, ex-Adams (plate). AC-CAvl2D. 12.55 grams; 38 mm. Choice UNC with bright brassy luster around details (AC plate looks more coppery than in reality), very sharp strike, scarce. XRF: 40.69% copper, 52.15% zinc, 5.61% lead. Pedigreed to the John Adams Collection (with his handwritten tag), plated on page 169 of Medallic Portraits of Admiral Vernon (2010), by Adams and Chao.
Estimate: 500 - 1000 USD