Watch List notes:

Potosi, Bolivia, cob 4 reales, 1631T, rare. S-P26; KM-17a; CT-722. 13.50 grams. Full shield and cross but typically crude and flat in peripheries with the exception of the bold full 63 of date, VF (for era) with spots of black toning. Pedigreed to the Ponterio auction of January 2009, with original lot-tag #1163.

Estimate: $150