This flown cover was carried on HS.125 VH-ECF during the BP England-Australia Air Race. The postmarks would suggest that the aircraft arrived in London on 17 December 1969. The aircraft is known to have departed London Gatwick on 1 January 1970 and arrived at the finish line in Adelaide on 2 January 1970 with a total elapsed time of 27 hours 30 minutes 29 seconds. The cover is signed by Captain Anthony Charles (Tony) Dobson. Source: Trevor Rockliff Collection