Potosi, Bolivia, cob 4 reales, Philip II, assayer B (5th period), borders of x's on obverse only. S-P14; KM-unl; Cal-525. 13.64 grams. Bold full shield with choice details, full but doubled cross, full P-B, VF with contrasting toning and dark oxidation near edge.
Estimate: 200 - 300 USD