Philadelphia: John Trenwith, 1876. Original photographs. One card containing two albumen images of the Agricultural Hall. Labeled "Centennial Views, Phila. - New Excelsior Series." On the verso: "Manufactured by John Trenwith, Stationer and News Dealer, No. 608 Chestnut Street, Philadelphia." 3.5" x 7" to fit into a stereoscope for viewing. Very Good. Item #040517
John Trenwith (1836-1902), an Irish immigrant, was a bookseller and stationer in 19th-c. Philadelphia. He also owned the Sea View House resort hotel in Atlantic City [credit to Find A Grave].