Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip III, assayer not visible, Grade-2 quality (12 points), with hand-signed certificate from 1977. KM-9. 10.90 grams. Full but very slightly doubled shield, full but slightly off-center cross, thin from corrosion all over but still nicer than most early finds. With original, hand-signed Fisher photo-certificate from 1977 (Key West Conservation Laboratory) #684. Recovered from: Atocha, sunk in 1622 west of Key West, Florida
($350-500)