Collection of 41 commemorative covers signed by members of Wernher von Braun's rocket team, many of whom emigrated to the United Statues under Operation Paperclip. Includes: Rudolf Nebel, Ernst Stuhlinger (2), Heinz Struck (2), Hans J. Sperling and Mario Rheinfurth (2), Harry O. Ruppe, Dieter Grau (2), Oscar Holderer (3), Johann G. Tschinkel (3), Georg von Tiesenhausen, Klaus W. Gross (2), Gustav Kroll, Hans Fichtner (3), Rudolf F. Hoelker, Heinz Hilten, Fritz Mueller, Joachim W. Muehlner, Heinz Groesser, Max Nein, Hans Kennel (2), Heinz Millinger (2), Hermann K. Weidner, and others. In overall fine condition. Accompanied by a few unsigned covers related to V-2 rockets and the space program.