Plumer Block, also known as the Hancock Building, was a historic commercial building located at Franklin, Venango County, Pennsylvania. It was built in 1866, and was a three-story, red brick building with a flat roof in the Victorian Italianate style. It housed the first bank in Franklin, as well as numerous commercial enterprises and law offices. It was listed on the National Register of Historic Places in 1978. It was delisted in 1986, after being demolished following a fire. References Commercial buildings on the National Register of Historic Places in Pennsylvania Italianate architecture in Pennsylvania Commercial buildings completed in 1866 Buildings and structures in Venango County, Pennsylvania 1866 establishments in Pennsylvania National Register of Historic Places in Venango County, Pennsylvania