You are bidding on an Antique 1870s "Sun & Moon" Logo E Miller Duplex Burner Kerosene Oil #3 Size hinged gallery. This burner is in good used condition, both wick raiser knobs turn freely. Gallery screw works nicely. Burner does have some minor surface corrosion as seen in photos. Please see pictures for actual condition, any questions feel free to ask. Thanks for looking and good luck bidding!!