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. Blue cut to white cut to colourless urn shaped font. Brass connector. Blue cut to white cut to colourless stem, triple-stepped marble base with brass accents, over the collar shade ring. #3 lip chimney, #3 H B & H lip burner. Cut frosted and colourless onion shaped solar style shade. Chips/damage to fitter edge of shade. From the Keith Dill Collection. 27"H to top of collar, 11½”H shade, 6” shade ring.