South Africa SGO5 1928-30 2d Perf 14 Complete sheet 120 inc varieties u/m

Official. 1928-30 Set 3 (= 1928 issue) 2d grey and reddish purple recess SG type O1 opt (17.5mm space without stops) Perf 14 COMPLETE INTACT SHEET OF 120 comprising left and right panes of 60 (6×10 each with imprint at foot) WITH TEN GUTTER PAIRS fresh unmounted o.g. Shows the listed opt variety V1 Apostrophe between FF of OFFICIAL on both R9/1 and R9/7 and also Apostrophe between OF of OFFISIEEL on both R4/2 and R4/8. Creasing (barely detectable) in central gutter as to be expected causing minor separation but an amazing survival and very rare being one of just two such sheets known. A wonderful exhibition showpiece proving the use of a 6×10 forme. Not even single gutter pairs were known to exist in 1986 Ex Matheson. (Union Handbook O10 V1 etc. unlisted)