A 'Spitfire Battle of Britain' commemorative print after Keith Bluemel signed by RAF pilots

A 'Spitfire Battle of Britain' commemorative print after Keith Bluemel signed by RAF pilots,
limited edition, a profile depicting the Supermarine Spitfire Mk 1a fighter of 19 Squadron, signed by RAF Spitfire pilots including Wing Commander 'Paddy' Barthropp, 'Sandy' Johnstone, Brian Kingcombe, and others, some signatures faded, 28 x 46cm, mounted, framed and glazed, offered together with two certificates of authenticity, one numbered 817/1,000.
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