Watch List notes:

Potosi, Bolivia, cob 1 real, Philip III, assayer Q/R, rare. S-P17; KM-7. 3.09 grams. Bold Q with clear R underneath, nearly full shield and slightly crude cross, richly toned Fine. Pedigreed to the Ponterio auction of June 2001, with original lot-tag #901. (Estimate: $175 - 250)