American. 1860-1880. These types of lamps were made by Boston & Sandwich Glass Co., Sandwich, Massachusetts and other manufacturers. The maker of this lamp is unknown. Glass, brass, marble. Ruby cut to colourless urn-form font with rows of ovals and punties. Brass connector with bobeche for hanging prisms. Ruby cut to colourless stem with three rows of ovals and punties, double-stepped marble base with brass accents. #2 early lip chimney, #2 early lip burner. Frosted and colourless engraved Oregon shade with leaves and berries. One minor flake to marble base. Circular scratches underneath marble base. From the Keith Dill Collection. 16 ½”H to top of shade, 27”H to top of collar, 5” shade ring.