SOUTH AFRICA 1935 SGO25var Official

Official. 1935-49 "Set 23" (= 1949-50 issue) 1s "deep brown and dark violet-blue", SG type O2 opt (OFFICIAL at right) with 20mm spacing, final unscreened printing, right marginal vertical pair from R17-18/6 of a sheet, showing spectacular leftward misplacement of opt, leaving both stamps with "OFFICIAL" only, very fine unmounted o.g. A famous error, of which only five such pairs are considered to have survived (from sheet number "8020"), with horizontal pairs unknown. Briefmarkenprufstelle Basel cert (2005). Ex Matheson. [Union Handbook O123 V2] - P212002668