Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Australia - Rocket Society issues 1935-38, 11 imperforated numbered souvenir sheets of four triangle stamps, in memory of Wreck of Rocket Flight on Fraser Island (1935), commemoration the Young Rocket Flights of 1936, 1937 and 1938 (two of each), one sheet with Alan Young's autograph, full OG, two are unused, no gum, one - hinged, one - defected, otherwise VF, Est. $250-$300