USA: 1930, ”Sou.Am.Flt.” cover from Board of the SS VOLTAIRE ”Posted on the High Seas” corresponding postmark, brazilian Zeppelin-franking tied by large ”Syndicato Condor, Recife” addit. U.S. franking tied by the above mentioned SS Voltaire pmk, cov. addressed to the American Consul Pernambuco/Brazil & ret. to - via the Graf Zeppelin! - the U.S. Naval Sta., Lakehurst, NJ.Autogr. by Capt. S.E. SHOEMAKER the later commander of the U.S. airship USS Los Angeles, Backstp. green Lakehurst (Zpp) May 31, Pernambuco 10. June & Lkhrst normal July 29 & dito Naval Air Sta.Lkhrst pmks., scarce