Potosi, Bolivia, cob 8 reales, 1617M, denomination as O-III-V, reverse legend rotated 90 degrees counterclockwise, rare. S-P19; KM-10; CT-129. 27.38 grams. Richly toned VF with full shield next to bold denomination O-III-V, choice full cross with bold 161 of date (and consequent erasure of border) at about 8 o'clock, some flat areas.
Estimate: $250-375