![3 color screen printPhiladelphia, Pa. : War Services Project, [between 1941 and 1943] Poster for Philadelphia Department of Health warning of potential health risks from exposure to flies. Work Projects Administration Poster Collection (Library of Congress).](http://25.media.tumblr.com/tumblr_kz2yd8Kgea1qaleylo1_500.jpg "Click for Hi-Res Photo")
3 color screen print
Philadelphia, Pa. : War Services Project, [between 1941 and 1943] Poster for Philadelphia Department of Health warning of potential health risks from exposure to flies. Work Projects Administration Poster Collection (Library of Congress).
