Keywords: American Red Cross 50th Anniversary 2c 1931 issue U.S. stamp.jpg American Red Cross 50th Anniversary 1881-1931 - 2-cent 1931 issue U S stamp The design features a Red Cross nurse with a globe and cross inspired by a poster called 'The Greatest Mother in the World' 1931-05-21 U S Postal Service; National Postal Museum http //arago si edu/category_2032991 html Red Cross Issue Bureau of Engraving and Printing other versions PD-USGov Stamps of the United States 1931-1940 Commemorative stamps of the United States American Red Cross Red Cross on stamps |