Watch List notes:

Lot of 2 Potosi cobs (one 8R and one 4R) of Philip III, assayer not visible, Grade 4. 10.36 grams total. Clear shields and crosses despite heavy corrosion, both typically very silvery. With original Fisher tags and photo-certificates #00M-50193 and 49869. Recovered from: Santa Margarita, sunk in 1622 west of Key West, Florida

Estimate: $175 - 250