Lot of twelve Potosi, Bolivia, cob 1R of Philip IV, assayer E, all dated, as follows: 1653 (2), 1655 (pomegranate at top), 1657, 1658 (2), 1659, 1660, 1661, 1663, 1665 and 1666. S-P37a; KM-13. 36.13 grams total. Fine on average, all toned, generally good crosses and pillars, clear dates and assayers, no holes. SEE INTERNET FOR PHOTO. (Estimate: $400 - 600)