Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip II, assayer B (5th period), border of x's on cross side only. S-P14; KM-4.3; Cal-525. 13.49 grams. Doubled but well-detailed full shield and cross, bold full P-B, AXF with some old scratches on shield, faint toning. Pedigreed to the Jorge Ugaz collection.
($250-375)