1930-33 first flight covers (4) incl. 1930 PAA precursor flight Sao Paulo - Miami company cover addressed to Basil Rowe, red oval cachet, meter franking, Bahia 26.6.30, further stops added later & pmk Bahia 25.4.30 (interesting & scarce), 1930 Aug 29th LAB first flight Rio - La Paz with cachet, 1931 Nov 8th PAA Rio Grande Do Sul - San Juan, Puerto Rico cacheted cover, 1933 Oct 25th Pan Air Belem - Manaos company cacheted cover & pilot signed. (Image)