Lot 1061
Black machine overprints on 1923 issue: Germany, 20c. grey, 30c. blue and 60c. brown in combination with German Empire, tied by machine cds. "BERLIN 31.1.27" resp. "SERVICEO DE TRANSPORTES AEREOS 28 II 1927" to registered cover to Bogota, reverse with octogonal Scadta vignette, fine
