The Postal Service issued the Celebrate The Century: 1900s souvenir sheet, on February 3, 1998, in Washington, DC.
The souvenir sheet features subjects from the following categories: People and Events, Arts and Entertainment, Lifestyles, Sports, and Science and Technology. The fifteen commemorative stamps are titled: The Model T Ford; President Theodore Roosevelt; "The Great Train Robbery," 1903; Crayola Crayons; 1904 St. Louis World's Fair; 1906 Pure Food and Drugs Act; Kitty Hawk, 1903; Ash Can Painters; Immigrants Arrive; John Muir, preservationist; "Teddy" Bear created; W.E.B. Du Bois, social activist; Gibson Girl; First Modern World Series; and Robie House, Chicago.
Designed by Carl Herrman of Laguna Niguel, California, and illustrated by Richard Waldrep of Sparks, Maryland, the stamps were produced by Ashton-Potter USA in the offset/intaglio process.
Postal Bulletin (January 1, 1998).