Collection of five commemorative covers honoring the Royal Air Force, each signed by a series of German World War I Pilots, including: Hans Ritter, Friedrich Stahl, and Rudolf Trautvetter; Werner Zahn, Hans Henning von Haine, Kurt Delang, Karl Grossman, and Jurden von Grone; Carl August von Schoenbeck, Werner Junck, and Josef Jacobs; Carl Berr, Henrich Hintz, Fritz Loose, Hans Ross, and Otto Zimmerman; and Otto Brauer, Heinrich Schulz, and Helmuth Ruhl. Corner-mounted to larger scrapbook pages. In fine condition. Accompanied by several unsigned photos.
