Bolivia, Philip IV, 8-Reales, date unclear, Potosi, assayer O, 24.5 g., similar to preceding but · P · ( O ) · 8 O, with type P countermark on reverse (Cal. 1031, 32, 34 var.; CN. 16; CT. 424-7 var.), striking crack, slightly off centre on reverse but well struck, about very fine, countermark very fine and very rare