1943 1/- P.O.W. Air Letter card, deep blue on white, unwatermarked paper, no border line, with the ERROR “SEE NOTE ON FLAP” printed under Prisoner of War No:. (H&G 6, Scott and Startup Type 3). Type 2/3 has the ‘Important, For Prisoners ….etc on the upper part of backflap, the lower part being rounded and an indentation at the far right when cut. (Scott and Startup Flap cut type ‘B’) Very fine and scarce.