Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip II, assayer B (1st period). S-P4; KM-4.2; Cal-525. 13.63 grams. Nicely toned VF with some central weakness but clear full shield and cross-lions-castles ("dancing" lions), also full crown and much legend including a clear HISP- (with H), broad flan, full P-B (obverse die-match with Sellschopp #150). Pedigreed to the Barry Stallard collection and to the Christensen auction of October 1976, with original lot-tag 1706.
($300-450)