Potosi, Bolivia, cob 8 reales, 1760q-(Y), rare. S-P55; KM-40. 26.07 grams. Scarce first issue of this transitional date with clear assayer q at top right, two dates, crude chunky flan with surface porosity (as made) and natural pit on right-hand pillar, nicely toned AVF. (Estimate: $175 - 250)