Description:

1930 (Oct 9) England-Australia #170 Royal Air Force Club cover flown by Sir Charles Kingsford Smith endorsed by him "Carried by/Southern Cross Jnr/England-Australia/9th-19th Oct 1930" and signed "C Kingsford-Smith" on face, addressed to his finacee (later wife) 'Miss Mary Powell' and carried per favour unfranked, Cat $3,500.[Kingsford Smith flew solo as part of an England-Australia air race, reaching Darwin in 10 days thereby beating Hinkler's 15-day record, and reaching Sydney in 13 days to win the event]