RAF7c No.511 Squadron RAF Signed by R.J. Hutchings (A)

30th Anniversary of Formation of the Squadron 10th October 1972 Cover flown back to RAF Brize Norton in Britannia XM517 in 4hrs 25mins. It bears both a 3 1/2p GB definitive stamp cancelled FORCES POST OFFICE 965 10 OC 72 and a 5p Gibraltar Royal Engineers stamp cancelled at Gibraltar on 11/10/72 and is signed by the Squadron Commander Wg Cdr R.J. Hutchings Certified Copy of 1250