Standard size 4 inch Gothic Arch Gas Shade. Less than 100 years old, this is a good vintage production heavily polished inside the fitter. About 90 years old with nice Fire Finished Top edge and tiny trapped air bubbles.
Dimensions: Bottom diameter is 3 15/16 inches. Top opening is 8 inches across. Stand 3 1/4 inches tall.
Weighs : 1 pound, 1 Ounce.