Watch List notes:

Great Britain, copper alloy Admiral Vernon medal, 1739, arms / Porto Bello, ex-Adams. AC-PB2D. 16.21 grams; 40 mm. Light bronze color, AXF for wear. XRF: 37.56% copper, 54.68% zinc, 4.72% lead. Pedigreed to the John Adams Collection (with his handwritten tag).

Estimate: $250 - $375