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.