SOUTH AFRICA 1970 (MNH) 2½C GROOT CONSTANTIA CYL BLOCKS, PHOS FRAME
2½c Groot Constantia cylinder 12–8A, 12–8B, 12C–8 and 12D–8 blocks x 4, redrawn design, perf 14 x 14, Harrison paper (fluorescent front and back), 3 mm phosphor frame, RSA tête-bêche watermark. Fresh and fine. Mint never hinged. SG286; SC330var; SACC291c
Note: the watermark RSA letters are correctly orientated when viewed from the front of the stamps
