GREAT BRITAIN 1967 (MNH) 8D MAGENTA CYLINDER 4. BLOCK, P/E, PHOSPHOR
8d Magenta cylinder 4. block x 6 on whiter paper with two 9.5 mm phosphor bands (applied photogravure) reacting violet, perf type P/E. Fresh and fine. Mint never hinged. SG617b; SGS123; SC364p
