Watch List notes:

Potosi, Bolivia, cob 8 reales, (1649) O, with crowned-T countermark on cross, ex-MAREX. S-P35; KM-19b; Cal-1487. 25.78 grams. Solid and nearly uncorroded, with good full shield and cross, clear assayer to left and denomination to right, nearly full countermark near edge on reverse, nicely toned. With original MAREX tag 91-8R-0354. From: Maravillas, sunk in 1656 off Grand Bahama Island
($350-500)