G. H. Covell, New York, Oil Lamp. This lamp is brass and porcelain and the burner is a Hinks Duplex. The burner is marked on button and on top too. The base is comprised of brass and an Asian, hand-painted porcelain vessel. The top brass portion is marked G. H. Covell, 150 Broadway, New York. The base comes apart as shown in the photos and the porcelain is unmarked.