Watch List notes:

Mexico City, Mexico, cob 8 reales, 1620/19 (D), rare, Grade 3. S-M18; KM-unl; Cal-unl. 21.34 grams. Good full cross and nearly full shield despite moderate corrosion, date a bit indistinct but certain, some contrasting dark spots in crevices. With Fisher tag and certificate 85A-135436 (date and assayer not mentioned on certificate). From: Atocha, sunk in 1622 west of Key West, Florida
($750-1100)