Two (2) World's Fair / Centennial Exhibition related items. 1st item: Lithograph poster print titled "Centennial International Exhibition. Fairmount Park Philadelphia. 1876." drawn by Louis Aubrun, published by Thomas Hunter, Philadelphia, commissioned by the Centennial Board of Finance, 1874. Depicts two scenes of the Centennial International Exhibition including the Art Gallery and the Main Building. Signed in the "Main Building" image, lower left. Title, lower center, dimensions of building, lower left, sponsorship information, lower right, under images. Mounted to white poster board with two pieces of archival tape, top left and right, en verso. Print – 21 1/4" H x 27" W. Poster board – 32 1/ 8" H x 40 1/4" W. Mid/late 19th century. 2nd item: Bronze Medallion UNIVERSAL EXPOSITION ST LOUIS from the 1904 World's Fair commemorating the Centennial of the Louisiana Purchase, held in St. Louis. Three sided souvenir medallion by Adolph A Weinman. Reverse depicts eagle with banner stating "GOLD MEDAL LOUISIANA PURCHASE EXPOSITION." 2 3/4". Provenance: The collection of internationally known ragtime pianist and historian Johnny Maddox, Gallatin, TN. CONDITION: 1st item: Overall good condition with areas of dampstaining, largest 6 1/2" x 5 1/4", foxing spots, toning, tears, largest 5 1/2", to surface and edges of print. 2nd item: Very good condition.