8. South America flight 1932, Berlin Friedrichshafen Pernambuco, 5 cards from Berlin 9.10, all with connecting flight to Friedrichshafen to Recife, addressed to Valparaiso 17.10, Arica 20.10, Asuncion 22.10, Lima 21.10. respectively La Paz 26.10. in attractive set, reverse various hinge respectively adhesive tape residue