(Japanese Internment) 1942 Japanese Exclusion Poster. Original World War II-era broadside poster printed on lightweight board, 14 x 22â€, in Presidio of San Francisco, California, May 5, 1942 and issued by the Headquarters of the Western Defense Command and Fourth Army. Entitled: â€œCivilian Exclusion Order No. 41,â€ and stating, in part: â€œ...Pursuant to the provisions of Public Proclamations Nos. 1 and 2 this Headquarters, dated March 2, 1942, and March 16, 1942, respectively, it is hereby ordered â€¦. that all persons of Japanese ancestry, both alien and non-alien, be excluded from â€¦. All of that portion of the City and County of San Francisco â€¦.. â€œ The poster is evenly toned throughout, and wavy with some creases and bends at top.