Potosi, Bolivia, cob 8 reales, 1759/8q, unique overdate. S-P54; KM-40; CT-unl. 25.80 grams. Very crude and chunky flan with very little peripheral detail but fairly clear date and overdate (the only specimen we have seen or heard of), toned Fine for actual wear. Pedigreed to the Charles Eidel collection. ($200-300)