South Africa SGO29 var 10/- OFFICIAL at Left Flaw V4 (white dot) in a U/M Block

Official. 1935-49 Set 18 (= 1940 issue) 10/- Blue and blackish sepia SG type O3 opt with OFFICIAL at LEFT left marginal block of four showing stamp flaw V4 (White dot in middle of right frame) on lower left stamp (R16/1) very fine unmounted A rare variety