Great Britain
Great Britain, copper-alloy Admiral Vernon medal, 1739, Porto Bello, Vernon alone, ex-Adams.AC-PBv19N.23.92 grams; 39mm.Bold VF with smooth fields, the reverse darker than the obverse, rather thick and heavy flan, noted by Adams as "flat struck on hard metal."Pedigreed to the John Adams collection.
Estimate: 150-225 USD