Potosi, Bolivia, cob 8 reales, Philip III, assayer Q, Grade 1.S-P17; KM-10; Cal-916.26.38 grams.Very broad flan with some flat spots but otherwise good full shield and cross, clear assayer Q, virtually corrosion-free.With Fisher tag and certificate #158889.Recovered from: Potosi 8R
Estimate: 600-900 USD