South West Africa 1924 KGV 10/- Type III Plate No1 Pair UM, Rare

1923 KGV 10/- blue & olive, Setting III, 14mm between ovpt (SG 26/CC25). Superb UM PLATE NO1 CONTROL PAIR from the bottom right corner. A rare control pair from this issue, a maximum of only 100 control pairs (of which 25 in each position) ever possible. Fresh, vibrant colours, an exhibition showpiece, particularly elusive UM. Photo-cert: BPA. (cvR82500). See additional image and of certificate.