PANAMA. Silver 20 Balboas, 1985-FM. NGC PROOF-66 Ultra Cameo.
KM-105. Total of 1.9271 oz ASW. Mintage: 1,402. Struck in commemoration of Balboa, Discoverer of the Pacific. A flashy Proof with mirrored fields, frosty devices, and some peripheral toning on the obverse.
Estimate: $300 - $400