South West Africa 1923 KGV 6d Type 1 Broken "S" VF/UM

1923 KGV 6d black & violet, Setting I, 14mm between, typographic print, BROKEN "S" OF "South" (SG 6var/CC 6var). Superb UM gutter corner pair, final stage. A constant flaw occurring on stamp 5 row 11. See Becker Pg 70 for discussion. Scarce. See additional image.