Potosi, Bolivia, cob 2 reales, 1750q, mounted pillars-side out in thick silver bezel with 14K gold prongs and shackle bail.13.10 grams total.Good full cross with assayer to right (possibly q/E), well-centered pillars with bold date in between, Fine with contrasting toning in crevices, thick and sturdy mounting.From: Potosi Silver Cobs
($125-200)