Watch List notes:

Potosi, Bolivia, cob 8 reales, 163(?)TR. S-P27; KM-19a. 25.68 grams. Typically small, thick flan, with good full shield (slightly doubled) and cross (slightly off-center), bold 63 of date, Fine with dark spots. Based on the assayer (which is clear), the date must be 1636-9. Pedigreed to the Ponterio auction of February 1996, with original lot-tag #568.

Estimate: $350