Los-Nr. 309

1925, Survey Flight Paris - Lake Chad: franked illustrated cover "L'avion le 'Rolland Garros' with cds. "VERSAILLES RP 15 1 25" and arrival mark, and special red cachet "VOYAGE d'ETUDES MISSION AERIENNE Janvier 1925", rare, one of only 50 items signed by one of the pilots "d'Oisy", very fine (Muller.-Nr. 115)