United States--History--Civil War, 1861-1865; Postal service--United States--History; Covers (Philatety)--United States--History; Patriotic envelopes;
Design of a soldier in Zouave uniform holding flag, and "Remember Ellswoth" (sic), for Elmer Ephriam Ellsworth, the first Union officer to be a casualty of the American Civil War. Design in red and blue on a white envelope.