Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip III, assayer Q, Grade 3, with 1982 certificate. S-P17; KM-9; Cal-770. 10.27 grams. Round flan with full but corroded shield and cross, both assayer, desirable pre-"Mother Lode" certificate. With Fisher tag and photo-certificate SR 1046 from 1982 (hand-signed by curator Leah Miguel). From: Atocha, sunk in 1622 west of Key West, Florida
($600-900)