Watch List notes:

Great Britain, copper-alloy Admiral Vernon medal, 1739, Porto Bello, Vernon alone, ex-Adams. AC-PBv22S. 37 mm; 15.31 grams. Choice XF with well-struck details and a few faint surface marks, red-brown color with gold color (possibly previous gilding) in recessed areas. Pedigreed to the John Adams collection.

Estimate: $150-225