Watch List notes:

Potosi, Bolivia, cob 8 reales, 1618, assayer not visible, date at 7 o'clock, Grade 3.KM-10; Cal-Type 165.21.69 grams.Remarkably full date (all but the penultimate digit strong) in odd position outside full and bold cross, the shield side moderately corroded.With original Fisher tag and certificate #197066. From: Atocha, sunk in 1622 west of Key West, Florida
($500-750)