SOUTH AFRICA 1970 (MNH) 7½C MAIZE CYLINDER BLOCKS, PHOSPHOR FRAME
7½c Maize cylinder 285A–284 and 285B–284 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. SG291; SC335var; SACC296b
