Potosi, Bolivia, cob 8 reales, 1701Y, encapsulated NGC VF 20. S-P43; KM-26; CT-392. 26.1 grams. Bold full pillars and date, middle of cross, the peripheries all flat and uneven in thickness, lightly toned. (Note the tag in the extra-thick slab calls it assayer F but the Y is certain.) (Estimate: $300 - 450)