This is a late 1800's or early 1900's bicycle oil lantern / lamp. The front lense is a little under 3 inches diameter. The ornate glass side lenses are close to 1" x 1 1/4". It is complete with mount. This is unrestored and has some paint wear.
The main body is painted black and the other parts like the chimney top and mount are stainless. There are some small dents on the top.