The product is a printed lithograph postcard featuring entrance to Penn's Cave in Pennsylvania. This postcard was manufactured in the United States in the photochrome era, with a size of 6 x 4 inches. The postcard depicts a scene of tourism and landscapes, highlighting the charm of the region. It has a divided back and chrome features, making it a collectible item for those interested in topographical postcards. Ideal for postcard enthusiasts looking to add a piece of North American history to their collection.