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细节
Brazil, Cuiba, Counterstamped Coinage, 960 Reis, 1815, type C, on an Argentine, Rio de la Plata, Potosi, 8 Soles, with altered an die for the new denomination, S over R, the host coin in turn is overstruck on the earlier 8 Reales issue of 1813 or 1815 (KM 351.2 (Brazil) on KM 15 (Argentina) overstruck on KM 5 or 14 (Argentina)), a remarkable sequence of counterstamping, re-cutting of old dies and overstriking within a period of 12 to 24 months, extremely fine, extremely rare