South West Africa 1923 KGV ½d SOUTH/ZUID WEST ONLY, Rare

1923 KGV ½d green, Setting I, 14mm between, typographic print, variety "SOUTH WEST / ZUID-WEST" ONLY (SG 1var/CC 1c). Fair-F/M horizontal pair, English stamp also with BROKEN "S", a constant flaw occurring on stamp 5 row 11. See Becker Pg 70 for discussion.. Gum evenly toned. Rare. (CC 1c / cvR50000). See additional images and of certificate.