Potosi, Bolivia, cob 8 reales, 1617 M, Grade 1. S-P19; KM-10;

Potosi, Bolivia, cob 8 reales, 1617 M, Grade 1. S-P19; KM-10; Cal-921. 26.42 grams. Full 7 and bottom half of penultimate digit 1 of date at 8 o'clock (rotated legend), also full P-M and king's ordinal III, good full shield and cross with spots of light surface corrosion only. With Fisher certificate 198289. From: Atocha, sunk in 1622 west of Key West, Florida
($800-1200)