Great Britain, copper alloy Admiral Vernon medal, 1739, Vernon / Porto Bello, ex-Adams (plate). AC-PBv27W; Betts-unl. 15.26 grams, 38 mm. Choice AU with muted luster, minor dark spots, some original brassy color (due to slightly higher tin content), tiny rim-flaw above first L of BELLO in legend. XRF: 40.60% copper, 51.68% zinc, 5.85% lead, 1.07% tin. Pedigreed to the John Adams Collection (with his handwritten tag), plated on page 67 of Medallic Portraits of Admiral Vernon (2010), by Adams and Chao.
($500-1000)