Bidspirit auction | Portuguese India 1962 first flight

Portuguese India 1962 first flight Bilhete Carta Por Aviao (aerogramme without printed value) from Lisbon to East Grinstead England franked with a single 1 escudo Setubal issue (CE 876). Commemorative first flight postmark (1-NOV-1962) Lisbon to London x 2 and an “Aeroporto Lisboa” CDSs all on the front. No text. Note the “Bilhete Carta Por Aviao” aerogramme is a Portuguese India OM 1A. An interesting and unusual usage of a Portuguese India aerogramme after annexation. €20