Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip III, assayer Q, Grade 1. S-P17; KM-10; Cal-916. 26.08 grams. Broad and solid flan with no corrosion but much peripheral flatness, good full shield and cross, a few streaks of dark toning. With Fisher tag and photo-certificate 85A-199567 (both with assayer T in error). From: Atocha, sunk in 1622 west of Key West, Florida
($1000-1500)