Potosi, Bolivia, cob 8 reales, Philip III, assayer not visible, upper half of shield and quadrants of cross transposed, Grade 3, low serial number. KM-10. 23.37 grams. Broad flan with good full cross and upper-right part of shield (showing the scarce error), some heavy corrosion near edge, nicely toned, desirable as one of the first few dozen coins certified from this wreck in 1982. With original Fisher photo-certificate 51 (tag missing) from 1982. From: Santa Margarita, sunk in 1622 west of Key West, Florida
($350-500)