Watch List notes:

Great Britain, copper-alloy Admiral Vernon medal, 1739, Porto Bello, Vernon and Brown, ex-Adams. AC-PBvb9R. 37 mm; 13.83 grams. Choice XF+, faint scratches in field between busts, brown color with gold hues throughout, a scarce design we have not previously offered. Pedigreed to the John Adams collection.

Estimate: $200-300