Watch List notes:

Potosi, Bolivia, cob 8 reales, 1653E, dot-PH-dot at top. S-P37a; KM-21; CT-437. 21.64 grams. Nice full castles in full cross, moderately corroded pillars, three dates, light toning. With Marex tag #91-8R-1149. Maravillas, sunk in 1656 off Grand Bahama Island

Estimate: $250-375