This is an original  FIRST FLIGHT COVER & 1 USA AIR MAIL STAMP  OF THE LATE B.O.A.C..It is in excellent condition,DATED 12-21-1957. FIRST FLIGHT SERVICE BETWEEN  LONDON ENGLAND BY BRISTOL BRITANNIA PROP-JET TO NEW YORK IDLEWILD AIRPORT.IT HAS POSTMARKS AND NICE CACHET....PLEASE VISIT MY E-BAY STORE NOSTALGIA AIRWAYS.....POSTAGE ON 1 ITEM IS ALWAYS THE SAME PRICE AS FOR 100.....