Watch List notes:

Potosi, Bolivia, cob 8 reales, 1651E, modern 5 (rare), with crown-alone (common) countermark on shield. S-P36; KM-19b; CT-511. 23.04 grams. Broad flan but thin from corrosion, full but doubled cross and shield, bold date, nicely toned. Recovered from: Maravillas, sunk in 1656 off Grand Bahama Island

Estimate: $300 - 450