Potosi, Bolivia, cob 8 reales, 1689 VR, PCGS XF45, finest known in PCGS census. S-P40; KM-26; Cal-731. 27.66 grams. Broad flan with much flatness but full pillars and (off-center) cross nonetheless, two dates, three mintmarks and assayers, toned fields, top grade at either PCGS or NGC.
Estimate: 350 - 500 USD