This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
U.S. Postal Service Bicentennial Old and New Locomotive issue stamp. en Postal Service Bicentennial Old and New Locomotive issue stamp Postal Service National Postal Museum si edu html Postal Service Bicentennial Issue Bureau of Engraving and Printing Designed by James Womer other versions PDUSGov Stamps of the United States Commemorative