Potosi, Bolivia, cob 8 reales, 1739 M. S-P47; KM-31a; Cal-1577. 27.14 grams. Very chunky VF+ with parts of edge crude (as made), nice full waves and one pillar 100% full, two dates and mintmarks, clear assayer, dark toning in most crevices.
Estimate: 175 - 250 USD