2302
Air Mail cover 1918 (Dec.) Survey Flight Cairo - Delhi by Ross Smith and Major General Salmond and Brigadier General Borton, unfranked envelope showing on reverse a fine strike of the circular framed "CARRIED BY FIRST AERIAL MAIL/CAIRO-DELHI/DECR. 1918" h.s. in purple, previously flown by Sdrn. Ldr. McLaren from England to Cairo in a Handley Page 0/400 Bomber; additionally showing both military and civilian datestamps. One of only thirty recorded covers. Photo

细节
Air Mail cover 1918 (Dec.) Survey Flight Cairo - Delhi by Ross Smith and Major General Salmond and Brigadier General Borton, unfranked envelope showing on reverse a fine strike of the circular framed "CARRIED BY FIRST AERIAL MAIL/CAIRO-DELHI/DECR. 1918" h.s. in purple, previously flown by Sdrn. Ldr. McLaren from England to Cairo in a Handley Page 0/400 Bomber; additionally showing both military and civilian datestamps. One of only thirty recorded covers. Photo