Mothers! dads! protect us from polio start our vaccinations now. [graphic][ca. 1950s]engTitle and publisher from item.Date derived from poster style.Inscription: VP-21 ; The National Foundation for Infantile Paralysis, Franklin D. Roosevelt, Founder, 120 Broadway, New York 5, New York ; Local No. 1, Amalgamated Lithographers of America, New York, Union Label, 191.