Cover franked with 1920 300rs rose red 'Industry' issue, 1927 2000rs on 100rs black & red AIR overprint issue and 1929 500rs purple AIR issue (SG 333, 449 & 472) tied by PARAHYBA CORREIO AEREO cds's dated 26.XI.1931 in black and an additional strike in purple with large 'POR AVIAO' marking in black alongside. Addressed to USA.