Watch List notes:

Great Britain, silver Admiral Vernon medal, Vernon / Porto Bello, 1739, ex-Adams, ex-Ford. AC-PBv42QQ. 38 mm, 19.14 grams. Heavy flan in high-grade silver, AVF with flat face but nice toning around details, reverse with characteristic central die-buckling (somewhat convex) and unidentified object in die at about 4 o'clock, desirable pedigree and rare in silver (see note in lot 1350). XRF: 91.45% silver, 6.90% copper, 1.00% zinc. Pedigreed to the John Adams Collection (with his handwritten tag) and to the John J. Ford Jr. Collection Part 13 (Stack's auction of January 2006), with original lot-tag 539.
($500-750)