463558 International Exhibition, Fairmount Park, Philadelphia, 1876, c.1875 (chromolitho) by American School, (19th century); 14 x 8 cm; Library Company of Philadelphia, PA, USA; (add.info.: Reverse of LCP 463559. Stock trade card for lithographer Potsdamer & Co. depicting buildings constructed for the International Exhibition in 1876. Includes the Main Building, Art Gallery, Horticultural Hall, Machinery Hall, and Agricultural Hall as postcards displayed in a montage on a silver platter. Potsdamer & Co. operated from the mid 1870s until Ketterlinus acquired the firm in 1885. The Centennial Exhibition of 1876 celebrated the centennial of the United States through an international exhibition of industry, agriculture, and art. ); 穢 Library Company of Philadelphia ; American, out of copyright.