Watch List notes:

Potosi, Bolivia, cob 4 reales, 1654E, dot-PH-dot at top. S-P37a; KM-18; CT-742. 11.46 grams. Full but corroded shield and cross, nearly full king's name and ordinal, two dates, edge-split, old scratch on left pillar, brownish toning all over. Pedigreed to our Auction #12, with original lot-tag #613 and photo-certificate from the salvagers. San Miguel el Arcangel ("Jupiter wreck"), sunk in 1659 off the east coast of Florida

Estimate: $250-375