Original WW2 RAF Air Recognition Sheets for Hengist Glider Mk I , ................ REVERSE OF EACH SHEET IS BLANK....... each sheet measures approx. 4.75" x 7.5"...... listing several different including Primary Stage Training Gliders..........clearing out all my Glider related material which I have had for many years........... these all date from around 1944 and early 1945........