THIS IS AN EARLY NEW OLD STOCK S & M LAMP CO., LOS ANGELES CALIF AUXILIARY LITE LENS AND BEZEL.GREAT LOOKING FLAT GLASS LENS WITH A BLACK ENAMEL PAINTED BEZEL. BEZEL MEASURES: 7 3/4" OUTSIDE DIAMETER.INSIDE DIAMETER: 7 7/17"WIDTH OF BEZEL IS: 1 1/16"LIGHT STORAGE MARKINGS.PLEASE SEE MULTIPLE PHOTOS FOR THE BEST DESCRIPTION.