Watch List notes:

Potosi, Bolivia, cob 8 reales, Philip II, assayer B (2nd period). S-P6; KM-5.1. 23.51 grams. Typical specimen from this wreck with good interior details but edges "nibbled" by corrosion, also somewhat silvery and with raised patch of coral near center of reverse. Recovered from: Unidentified ca.-1590 wreck off the Yucatan peninsula of Mexico

Estimate: $150 - 225