1931-37 Airmail 7½p Imperforate Plate Proofs in indigo and magenta, indigo and blue, and deep green and green on ungummed, unwatermarked paper (3)
Lot 1057
Estimate: $200
Realised Price : $220
c.1951 Proofs of unaccepted 'Shaduf' design - frame only in black, centre in carmine-pink, and design without inscriptions and value, blocks of four on unwatermarked, ungummed paper (3 blocks)
Lot 1058
Estimate: $100
Postal History: 1931 (12 Mar) airmail cover to Edinburgh bearing 1931 Air Mail 10m and 2p (SG 48-49) flown on Khartoum to London Imperial Airways service, cachet in black. Scarce adhesives on cover