First official Aerial Post Flight worldwide, India, Allahabad 02-18-1911, picture card showing airplane and pilot, flown by Henri Pequet from Allahabad Exhibition Grounds to Naini Junctions with special magenta cancellation on ½ Annas stamp adressed to Delhi, postmarks Allahabad 18FE.11 and Delhi 20FE.11 on the frontside. 6
6; Flugpost; FLUGPOST INTERNATIONAL; Indien
6; Airmail; INTERNATIONAL AIRMAIL; India