SOUTH WEST AFRICA 1972 (MNH) 15C HARDAP DAM CYLINDER 329–328 BLOCK
15c Hardap Dam lower right corner cylinder 329–328 block x 4 from the first printing on Harrison paper (matt) with multiple RSA in triangle tête-bêche watermark. Scarce. Fresh and fine. Mint never hinged. SG215; SC327; SACC210d-1
