This is a vintage Griswold #5 724 cast iron skillet/griddle with a large block logo, made in Erie, PA between 1920-1949. It is an antique piece that is compatible with both electric and gas stoves. The skillet is black in color and is an original piece, not a reproduction. Made of cast iron, this collectible cookware item is a sought-after piece for collectors of vintage kitchenware.