1926-27 Pretoria ½d Springbuck CENTRES OMITTED, PRINTED ON REVERSE (SG 30b var) due to paperfold. A VF/M bottom marginal block of six. Additional offset impressions of frame plate diagonally across the front of block coincident to the printing of the vignettes in black on reverse of corner fold. A rarity, a spectacular exhibition piece for connoisseur. Photo-cert: BPA. See additional image and of certificate below.
