MEXICO. Cob 4 Reales, ND (1556-98)-Mo O. Mexico City Mint. Philip II. PCGS VF-35.
Cal-Type 158#505. Variety with mintmark and assayer initial left, and denomination "IIII" right. A decently struck Cob with pleasing dark toning, with the expected areas of weakness.
Estimate: $160 - $260