Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip II, assayer C below erased B (2nd period), rare, NGC XF 45, finest and only example in NGC census. S-P5; KM-5.1; Cal-671. 27.68 grams. Typically broad flan with full but partially flat legends including PHILIPPVS, full crown, bold full cross-lions-castles, and well-detailed full shield, all with toning around details, but best feature is the CLEAR assayer B in the erasure above assayer C, the erasure also with a right-angle component at bottom left that makes it look like B/L (which it could be, but more likely the B punch itself was crafted from an S and an L). In any case, the 8R of assayer C is a famously rare and important issue that Sellschopp erroneously attributed to La Plata before it was known that Rincon was the first assayer of Potosi. Pedigreed to the Jorge Ugaz collection.
($1000-1500)