Worldwide Stamps and Covers BRAZIL Dornier Do X Flights
Sale No: 1221
Lot No:456
Symbol:e
1931 four covers addressed to New York, three with green cachets, one violet, canceled Porto Alegre, Pelotas, Rio Grande do Sul, two autographed by DO-X Captain Cramer von Classbruch, another by co-pilot C.H. Schildauer, all with appropriate markings, some toning, mostly fine-v.f. (Image)