Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer M, Grade 2.S-P18; KM-10; Cal-919.22.74 grams.Choice full shield and cross despite light surface corrosion, full P-M, slightly silvery.With Fisher tag and certificate #203770. From: Atocha, sunk in 1622 west of Key West, Florida
($600-900)