Tanzania (2) 50 Shilingi 1974 Wildlife Conservation Series, Reverse: Black Rhinoceros facing KM#8a Silver Proof, 25 Shilingi 1974 Wildlife Conservation Series, Reverse: Giraffes running right KM#7a Silver Proof aFDC some light toning and in the Royal Mint red presentation case with certificates
Estimate: 50-90 GBP