A Battle of Britain Museum Appeal signed 'Dambusters' print

A Battle of Britain Museum Appeal signed 'Dambusters' print,
limited edition number 301/1000, depicting G for George as flown by Wing Commander Guy Gibson, after an illustration by Keith Broomfield, signed by the artist, with signature of Sir Arthur T Harris and 16 members of 617 Dambusters' Squadron, some ink faded, the print 37 x 55cm, framed and glazed, with laminated certificate applied to back of frame.