DOUBLE SIDED. Measures 4.5x7”. If you need an exact measurement please ask before ordering. Taken from 1969 Book Pioneer Aircraft 1903-1914 by Kenneth Munson, Illustrated by John W. Wood. May have tears, blemishes, brittleness, and other signs of age. See pics for condition.

Sikorsky Le Grand Short Folder S.64 Russia UK 1969 Pioneer Aircraft Print SE1-2