It has a stiffened rim and was made for hard industrial use. The shade is round with a raised neck and is ideal for spot down lighting.
Pair of Vintage Industrial Green Enamel Pendant Lights Working Condition
Industrial Retro Vintage Metal Enamel Light Shade - Large Black Speckled VGC
Vintage Green Ceramic Table Lamp With Cream Vintage Shade
IKEA Mammut Bedside Lamp Vintage, Green Pink, Working Flower
Vintage Green Flower Glass Pendant Light, Brass Base Adjustable Hanging Lamp
Adirxon 30-Pack C7 Multicolor LED Replacement Christmas Light Bulbs, Retro Festive Colors for Holiday Decorating, Shatterproof, E12 Base for a Vintage Christmas Tree Look