Here is a vintage Midcentury Modern ceiling light fixture lamp shade, drum shape with textured clear and smooth frosted glass sections. It is 9 5/8" wide across the opening (including the rim), 10 3/8" wide at the widest point, and 4 1/2" tall. The sides are straight, the top of the shade is in tiered raised concentric circle rings. The shade is in excellent condition with no chips or cracks. It is perfect for a vintage kitchen, hallway, entryway, or bathroom.