The product is a vintage postcard featuring  a view of the New Post Office Building in Sacramento, California from the 1940s. The postcard, measuring 5.5 x 3.5 inches, is a printed photochrome with a divided back and white border. It is an original piece from the W C Spangler News Agency, showcasing the U.S. Post Office building in the city of Sacramento. This collectible item serves as a snapshot of a significant government building in California during the Linen era of postcards.