Great Britain, copper alloy Admiral Vernon medal, 1739, Vernon and cannon and anchor / Porto Bello, ex-Adams. AC-PBvi6G. 12.69 grams; 38 mm. AU- with muted luster, even olive-brown color, one of Adams' earlier acquisitions. XRF: 43.46% copper, 49.74% zinc, 5.50% lead. Pedigreed to the John Adams Collection (with his handwritten tag) and to the Muenz Zentrum (Germany) auction of November 1986 (lot 4036).
Estimate: 250 - 375 USD