Philadelphia County, Novelty Postcards, 225th Anniversary of the Founding of Philadelphia, Pa., Historic Philadelphia, William Penn, The Treaty Elm, and Penn Square Water Works, Situated in Penn Square in 1801, 1551B
postcard, 5 1/2 in. x 3 1/2 in.; This collection of approximately 29,000 postcards from the 1880s to the 1970s includes images from across the U.S. and all 67 Pennsylvania counties and highlights cities, towns, buildings, local businesses and industries, parks, and scenic and street views. Additional images include business and industry advertising, highways, states, and foreign countries.