Army Service 1905 1m brown and pink with "OFF!CIAL" variety, neat Khartoum cds leaving variety clear, very fine and rare; cert. RPS (1951) (S.G. £4'000). (Image)

Army Service 1906-11 1m brown and carmine with "Service" omitted variety on lower pair in lower marginal used block of four, paper adhesion on reverse, stained, very rare; cert. BPA (2004) (S.G. £9'500+). (Image)