Bolivia, Philip IV, 8-Reales, 1651, Potosi, assayer O, 26.3 g., similar to preceding but ( P ) · O · · 8 · O, with type H countermark on obverse (Cal. 1035; CN. 7; CT. 427 var.), two striking cracks and double struck on obverse, much legend visible on obverse and reverse, about very fine, countermark only partially visible but clearly identifiable, rare