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. Green cut to clear with five rows of ovals and punties. Brass connector, green cut to clear stem with eighteen rows of ovals and punties. Triple-stepped marble base with brass accents. Green cut to colourless. #3 lip chimney, #3 lip burner. Oregon shade with polished base. Chip to fitter edge of shade, and chips to edges and corners of marble base. From the Keith Dill Collection. 28 ½”H to top of collar, 39 ½”H to top of shade, 12"H shade, 5” shade ring.