Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip II, assayer B (5th period), borders of x's, Grade-2 quality (12 points), with hand-signed certificate from 1977. S-P14; KM-4.3. 10.00 grams. Bold full mintmark-assayer, full but weaker shield and cross, prominent borders of x's, light to moderate corrosion, better than most early finds. With original, hand-signed Fisher photo-certificate from 1977 (Key West Conservation Laboratory) #587. Recovered from: Atocha, sunk in 1622 west of Key West, Florida
($400-600)