Monogram #PA227. 1/48 Scale. Monogram original Blue Border Box issue from the 1969 with the title "WWII Cannon-Firing Fighter Plane", P-39 Airacobra. P-39 used a 37mm cannon and its engine was mounted mid-plane. Vibrant box art by Dick Locher. Model kit provided optional parts for four variants and markings for Soviet and U.S. planes.