Watch List notes:

Potosi, Bolivia, cob 4 reales, Philip III, assayer not visible, Grade 4.KM-9.5.26 grams.Triangular flan due to edge-loss, also much surface corrosion but with shield and cross both still recognizable, darkly toned all over.With Fisher tag and certificate #176004.Recovered from: Potosi 4R

Estimate: 200-300 USD