(AVIATORS.) ZEPPELIN, FERDINAND VON. Note Signed, "G[raf]v[on]Zeppelin," to Stuttgart publishers Levy & Müller, in German, on a postcard (lacking postage), thanking them for sending 6 copies of his book, Zeppelins Kampf und Sieg, first published by them in 1908. The postcard, showing a photograph by Eduard Schwarz of the LZ 4 airship. Oblong 12mo; faint scattered staining. With the original envelope, addressed in unknown hand. Friedrichshafen, 2 November 1908 With--Photograph postcard from publisher Eric Levy to Gertie Levy, in German, hoping to find her healthy, mentioning his having rested in Zürich, etc. The photograph, by Wilhelm Pleyer showing a Zeppelin airship in the sky over Zürich. 12mo; cancelled 20-centime "Helvetia" postage stamp featuring Wilhelm Tell.