Cover depicts the various Prone Meteors both trials and testbeds and bears 63p Computers Millennium stamp cancelled with 45th Anniversary of Prone-Pilot Meteor 10 Feb 99 Bagington, Conventry postmark.
Cover has been flown from the DERA Airfield at Llanbedr in North Wales on an Unmanned Air Vechile (UAV) Jindivik controller training sortie over the Aberporth Test and Evaluation Range in Gloster Meteor U Mk16 WK800.
Hand signed by Squadron Leader Herbert Clifford Rogers OBE DFC CEng FRAeS
Rolls Royce test pilot 1948-1971, Chief Test pilot 1962-1971
Chief of Flight Operations 1971-1984
Hand signed by Alan Cassels Bavin
Rolls Royce Test Pilot 1955-1962
Official Special numbered and certified