South Africa 1953c Composite Essay 2d Oxwagon

c1953 COMPOSITE PHOTOGRAPHIC ESSAY for unissued 2d Oxwagon design. Stamp-sized photograph from artwork affixed over perforations to give impression of finished stamp, the whole mounted on black board. Interesting, rare. This essay is typical of "proof" material of this period of South African philately during which design and production was in-house by the Government Printer, Pretoria.