Recognition Poster, Japanese Aircraft, US Navy Intelligence 1942

Here is an authentic WWII-era Recognition Poster of aircraft of the Empire of Japan (both Army and Navy) published by the Division of Naval Intelligence of the US Navy in April 1942.

The poster provides the silhouettes, dimensions, and relevant information to educate both air and ground personnel in aircraft identification. Immediate identification of aircraft, friend vs foe, was essential in order for the observer (whether in the air e.g., pilot, gunner, or patrol observer, or on the ground, e.g., anti-aircraft crew) to determine his next course of action (e.g., acknowledge, attack, evade, or only report).  

Given its age, the poster is in very good condition. It is our judgement that this is not a reproduction, but interested parties are invited to confirm it's authenticity. The top left corner is missing and there are a few spots on the paper, but it intact. See photos. Measures ~14 inches by ~17 inches.