^Lot 1800 Potosi, Bolivia, cob 4 reales, Philip II, assayer B (5th period), borders of x's.

Potosi, Bolivia, cob 4 reales, Philip II, assayer B (5th period), borders of x's. S-P14; KM-4.3; Cal-525. 13.17 grams. AVF with mostly complete shield and cross possessing some central strike weakness (the former with old scrape at top right), bold mintmark and assayer (the latter a bit doubled), nice clear border of x's especially on the reverse, dark gray-toned fields. Pedigreed to the Jorge Ugaz collection.