This listing is for a vintage Art Deco wall mount sconce with an ornate bobeche.  It measures 4 1/16" x 6 1/16"... with a 3/8" mounting hole.  The back piece looks to have been painted.  Always check the wiring to see if it needs to be rewired.  There is no mounting hardware with this.  There are scuffs and scratches on this.  The back rim might have a little bend in it that can usually be straightened out.  The switch turns fine... or can hook up to a wall switch.  This is a nice piece from a nice estate.   Thanks for looking!