Watch List notes:

Great Britain, low silver Admiral Vernon medal, 1739, Vernon and cannon and ship / Porto Bello, ex-Adams. AC-PBvi12O; Betts-237. 14.92 grams, 39mm. XF+ with light toning over dull silver surfaces (slightly porous), some luster on reverse, mount removed from top. Note the N's are correctly rendered in Vernon's name (minor typo in Adams-Chao). XRF: 52.88% silver, 18.91% copper, 26.90% zinc. Pedigreed to the John Adams Collection (with his handwritten tag).
($300-450)