AUSTRALIA 1935,  Rocket Mail Cover 28 October 1935 Riverview to Moggill rocket mail cover. Conducted by the Australian Rocket Society. Stamped with special cachet in red. In celebration of the jubilee of King George V. With blue Silver Jubilee vignette. The cover  Including Young's signature. VERY RARE. 1935 AUSTRALIA Silver Jubilee rocket mail souvenir sheet - EZ 4C3