Potosi, Bolivia, cob 8 reales, 1620 T, retrograde mintmark "q", Grade 1 (75 points), with hand-signed certificate from 1975. S-P21; KM-10; Cal-929. 24.39 grams. Full and bold date 16ZO, full mintmark-assayer q+T (retrograde P) and kings name and ordinal qHYLYqVS III, bold full shield and full cross (both lightly corroded), deeply toned in crevices for good contrast, a premium coin with desirable pre-"Mother Lode" certificate to boot! With original Fisher cardboard holder and photo-certificate 1188 from 1975 (Cape Coral Bank), hand-signed by Eugene Lyon, Duncan Mathewson, Austin Fowles, Melvin (Mel) and Dolores (Deo) Fisher, pedigreed to the J.P. Silberman Estate.Recovered from: Atocha, sunk in 1622 west of Key West, Florida.
