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GREAT BRITAIN - GB FLIGHT COVERS 1956-91 ALL DIFFERENT COLLECTION of first flight covers, commemorative flights and signed covers, we see 1956 cover with three 'BEA Airway Letter Service' labels applied and cancelled, a number of covers flown from smaller, local airports via small airlines, RAF commem. covers, couple of helicopter flown covers and more. Clean & fine throughout (approx 90 covers).