Bolivia, Philip IV, 8-Reales, date unclear, Potosi, assayer O, 26.4 g., similar to preceding but · P · O · · 8 · O vertically, with type H countermark on obverse (Cal. 1032-34 var.; CN. 7; CT. 424-7 var.), striking crack, king's name partially clear, very fine, the countermark good very fine and rare