1936, 400 R ultramarine, 200 R violet, 2000 R violet blue and 10000 R purplish red on international airmail letter to Germany used EXPEDICIAO 1A TURMA CEARA 23.VII.36 with routing "pela CONDOR via Natal/Lufthansa", with purple Brasilian Vargas censorship handstamp on reverse, marks of use
6; Übersee A-Z; BRASILIEN; Markenausgaben
6; Overseas A-Z; BRAZIL; Stamp Issues