1931 Swiss, Dornier Do-X Rare Air Letter -first Flight Europa -america Del South. The description of this item has been automatically translated. 1931 SWITZERLAND, DORNIER DO-X RARE AEROGRAM - First Flight Europe-South America - Signed Caffaz.This item is in the category "Stamps\Europe\Switzerland". The seller is "filateliadesimoni" and is located in this country: IT. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia.