Near-complete date-run of 13 Potosi, Bolivia, cob 2 reales of Philip IV, assayer E, as follows: 1653, 1654, 1655, 1656, 1657, 1658, 1659, 1661, 1662, 1663, 1664, 1665 and 1666. S-P37a; KM-16. 88.27 grams total. F-VF with toning on all except the 1663 (which is salvaged), clear dates and assayers, generally good crosses and pillars, most with multiple dates, the 1656 holed. SEE INTERNET FOR PHOTO. (Estimate: $1000 - 1500)