THIS IS A TAPERED OVAL COBALT GLASS OPEN SALT CELLAR DISH INSERT.  AGE AND ORIGIN ARE UNKNOWN.  THIS INSERT IS OVAL IN SHAPE AND TAPERS DOWN TO A SMALLER OVAL BASE.  IT IS HIGHER ON THE ENDS THAN IN THE MIDDLE.  IT IS ABOUT 1 1/16" TALL ON THE END AND IS 3/4" TALL IN THE MIDDLE.  IT IS 2 5/8" X 1 3/4".  CONDITION IS VERY GOOD WITH NO CHIPS OR CRACKS.