Watch List notes:

Lot of two Potosi, Bolivia, cob 1R, Philip III, assayers not visible, Grade 4, with tags only (certificates missing). KM-7. 4.00 grams total. Clear crosses and shields but misshapen from corrosion, light toning, rare denomination as from this wreck. With Fisher tags #955 and 6746. Santa Margarita, sunk in 1622 west of Key West, Florida

Estimate: $200-300