The last flight of the, Southern cross, . 18th July 1935 special envelope carried aboard the, Southern cross, on its' flight from mascot to Richmond. The envelope is numbered, 16, and has been signed by everyone on board: Charles Kingsford Smith, Mary Kingsford Smith, Beau Shiel, John Stannage, P.G. Taylor, John Ulm and C.G. Scrimgeour. Self-addressed to well-known aviation historian and collector, Ernest a. Crome, the envelope also bears a perforated example of the Crome-designed vignette which depicts the round-the-world and trans-Australian routes flown by the famous, old bus, . The envelope is accompanied by a photograph of all the above personnel standing in front of the aeroplane. (2 items).