South Africa SGO29 10/- Blue and blackish sepia SG type O3 OFFICIAL at LEFT U/M

Official. 1935-49 Set 18 (= 1940 issue) 10/- Blue and blackish sepia SG type O3 opt with OFFICIAL at LEFT lower right corner block of four fresh unmounted o.g. Unobtrusive crease in right margin (not effecting the stamps) still a desirable positional multiple of this key stamp. Ex Matheson. (Union Handbook O90)