This is a fine Vintage, Victorian, hard to find, The Rochester style Brass Round Wick Oil Lamp, With etched and frosted ball shade, circa 1890s. Nice complete brass lamp with side arms, flame spreader, 4 inch shade holder, chimney and etched ball shade. Measures brass oil lamp is 9&3/4 inches tall to the top of the flame spreader, 5&5/8 inches wide at the base, chimney is 10 inches tall and the ball shade is 6 inches tall. Vintage old brass patina. A fine lamp to add to any home or collection.