Bird's-eye view of Detroit Copper and Brass Rolling Mills factory. Brick factory complex with smokestacks; locomotives and freight cars travel on railroad tracks around buildings. Printed on front: "Detroit Copper and Brass Rolling Mills, Detroit, Michigan, U.S.A." Printed on back: "Manufacturers of copper, brass and bronze in sheets, rods, tubes and wire. Bare copper wire for trolley, telegraph, telephone all shapes and sizes." Handwritten on back: "Happy New Year. I hope you catch a big pike in 1909. M." Card is postmarked December 30, 1908.