STB01 A rare circa 30 years ago limited edition hand autographed and authenticated first day cover celebrating a union between the Squadrons Of The RAF with a first day of release of the Silver Jubilee of the Prince Of Wales Investure hand signed by historic Wing Commander of 24 Squadron which the signature is fully authenticated by the publishers on reverse together with its limited edition number from the series in mint condition. (this cover was also specially flown to Norway - please enlarge and read its military flight details for your full examination).