"Gospel Singers: First day of issue; Superdome, New Orleans, LA; July 15, 1998". [Cover page]: "Gospel Singers: First day of issue; Superdome, New Orleans, LA; July 15, 1998". Cover shows, in each quadrant of the page, a picture of Mahalia Jackson, Roberta Martin, Clara Ward, and Sister Rosetta Tharpe. [Page 2]: Program of content, and list of honored guests. [Page 3]: Brief history of gospel music, and mini-biographies of Roberta Martin, Mahalia Jackson, Sister Rosetta Tharpe, and Clara Ward. [Back cover page]: Faded background images same as front cover; center pictured are "Gospel singers commemorative stamps". "Photos by: Clouds: Grant Taylor / Tony Stone Images. Martin images: Collection of Dr. James Boyer. Jackson image: AP / Wilde Wo...