This is a fine Victorian Hobbs Brockner style Cranberry top edge to White Opalescent Glass Hobnail pattern Fluted top Oil Lamp, Electric Lamp or Fixture Gas Shade, circa 1880s+. Measures 5&5/8 inches tall, 4&15/16 inches wide at the flared fitter base, and the top diameter is 9 inches wide at the fluted top outer edge. Nicer than my pictures can show. Ready to be installed on your fixture or lamp.
Thank you for your business!