This is an original pencil drawing bookplate featuring an iconic image of an  operations room   WAAF plotter by Steve Teasdale. The bookplate has been signed in pencil by Battle of Britain  aircrew Ken Lusty. Professionally mounted underneath the drawing is a rare and genuine ops room hostile indicator tile which would have been pushed around an ops room map to indicate a hostile raid.
This would look amazing in your favourite book on the Battle of Britain or mounted underneath a print.