| Lot Number: 439 | |
 | Date: 1931, Mar 5 Est. price: £15.00 Category: Sudan Description: Imperial Airways, Wadi Halfa to Kisumu bs 10/3, flown on the inaugural England-East Africa service, blue/white souvenir 'map' cover franked 2P 10ml. Francis Field authentication hs verso. |
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| Lot Number: 440 | |
 | Date: 1931, Mar 5 Est. price: £12.00 Category: Sudan Description: Imperial Airways, Wadi Halfa to Mwanza first flight cachet, but dropped off at Khartoum, bs 7/3, and on to Omdurman, bs 7/3, flown on inaugural England-East Africa service, plain airmail etiquette cover franked 2P 7ml. |
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| Lot Number: 441 | |
 | Date: 1931, Mar 12 Est. price: £12.00 Category: Sudan Description: Cover flown F/F WadI Halfa to Mwanza, bs Kisumu 10/3, Roessler airmail cover franked 2p 10ml, black 'First Flight/Halfa to Mwanza' biplane cachet, Imperial Airways. Francis Field authentication hs verso. |
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| Lot Number: 442 | |
 | Date: 1931, Mar 12 Est. price: £20.00 Category: Sudan Description: F/F Juba to Athens, bs 13/3, carried on return of inaugural London to East Africa service, black "Juba to London" cachet and violet Athens "plane" reception cachet on front, blue map cover, Imperial Airways. |
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| Lot Number: 443 | |
 | Date: 1931, Mar 12 Est. price: £8.00 Category: Sudan Description: F/F Khartoum to London, carried on return of inaugural London to East Africa service, violet Khartoum -London biplane cachet, official blue map cover franked 2P 10ml., Imperial Airways. Ironed vertical crease. |
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| Lot Number: 444 | |
 | Date: 1931, Mar 13 Est. price: £20.00 Category: Sudan Description: First acceptance of mail from Sudan for USA for carriage on Imperial Airways inaugural East Africa-England service, Juba to London, Imperial Airways House London arrival verso, and on to Appleton, WIsc bs 29/3, black "First Flight/Juba to London" biplane F/F cachet, Roessler yellow/olive "London to Cape/Air Mail/First Flight" envelope, ref ROE.FF5, illustrated p91 Newton, franked 2P 15ml. Scarce final destination since only 154 were flown to London. |
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| Lot Number: 445 | |
 | Date: 1931, Dec 12 Est. price: £40.00 Category: Sudan Description: SCARCE F/F Wadi Halfa to Mbeya 7/1/32, via Moshi 18/12 and Dar es Salaam 23/12, carried on the Imperial Airways experimental extension to Cape Town in order to place and test aircraft over the new southern part of the route in preparation for the opening of regular services which commenced in January 1932, blue/orange/cream Springbok souvenir cover franked 2P10ml, canc Sudan Air Mail/Wadi Halfa cds, black Halfa to-Cape Town 'biplane' cachet. Flown as far as Moshi, then onward by surface, small mail. |
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| Lot Number: 446 | |
 | Date: 1932, Mar 8 Est. price: £30.00 Category: Sudan Description: FIRST SERVICE AT REDUCED RATE, Khartoum to Malakal, bs fine strike 8/3, carried on First Southbound IAW Central Africa Service AN 53 flown by either 'Apollo', plain cover franked 14ml, canc Sudan/Khartoum/date illegible, grey/light blue/dark blue airmail 'Africa India' vignette. First southbound Africa service by both Apollo and City of Cape Town. |
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| Lot Number: 447 | |
 | Date: 1933, Apr 29 Est. price: £40.00 Category: Sudan Description: OMDURMAN to ATABARA, 30/4 arrival ds on front, first IAW northbound African service (#AN 112) by 'Amalthea' and the first Armstrong Whitworth Atlanta landplane to operate through Juba. 10ml PSE with additional 25ml. Uncommon internal flight. See Movements of Aircraft on Imperial Airways African Route 1931-1939, P Wingent, pub 1991. |
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| Lot Number: 448 | |
 | Date: 1957, Feb 1 Est. price: £8.00 Category: Sudan Description: F/F Jet Prop Britannia, Khartoum to Rome, bs 4/11, official souvenir cover, BOAC/SAA |
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