1926-27 Pretoria ½d Springbuck CENTRES OMITTED, DIAGONAL FRAME OFFSETS ACROSS FACE (SG 30b var) due to paperfold. A VF/M pair. Offset impressions of frame plate diagonally across the front of the pair. A rarity, a spectacular exhibition piece for connoisseur. Photo-cert: BPA. See additional image and of certificate below.