Watch List notes:

Potosi, Bolivia, cob 2 reales, Philip III, assayer R (straight leg), Grade 1. S-P15; KM-8; Cal-626. 6.65 grams. Excellent full shield and cross (both well detailed), bold full P-R with straight-leg R (only seen in this denomination), nicely toned and corrosion-free. With Fisher tag and photo-certificate 128871. From: Atocha, sunk in 1622 west of Key West, Florida
($750-1100)