^Lot 1152 Great Britain, copper alloy Admiral Vernon medal, 1739, Vernon and Lezo and Brown / Porto Bello, ex-

Great Britain, copper alloy Admiral Vernon medal, 1739, Vernon and Lezo and Brown / Porto Bello, ex-Adams (plate). AC-PBvlb1A. 12.42 grams; 40 mm. Olive-brass AU- with slightly subdued luster, more tin content than most. XRF: 40.03% copper, 51.37% zinc, 5.95% lead, 1.34% tin. Pedigreed to the John Adams Collection (with his handwritten tag), plated on page 137 of Medallic Portraits of Admiral Vernon (2010), by Adams and Chao.