The Department issued this 4-cent Horace Greeley Famous American stamp on February 3, 1961, through the Chappaqua, New York, post office. Designed by Charles R. Chickering, the stamp features an image of Horace Greeley (1811-1872), who was the editor of the New York Tribune, congressman from New York, and a founder of the Liberal Republican Party.
The stamp was printed by the rotary process, electric-eye perforated, and issued in panes of seventy stamps each. An initial printing of 120 million stamps was authorized.
Postal Bulletin (January 12, 1961).