Keywords: Beautification of America Cities 6c 1969 issue U.S. stamp.jpg en Beautification of America - Plant for more Beautiful Cities - 6-cent 1969 issue U S stamp 1969-01-16 U S Postal Service; National Postal Museum http //arago si edu/category_2034270 html Beautification of America Issue Bureau of Engraving and Printing Designed by Walter D Richards other versions PD-USGov Stamps of the United States 1961-1970 Commemorative stamps of the United States 1969 stamps of the United States US multi-colored stamps |