This is a Vintage Banker's Desk Lamp. The base is brass and the glass shade is Green on the outside and white on the inside.
Vintage Banker's Desk Lamp Green White Cased Glass Shade Brass
Vintage Bankers Lamps in Brass Made in Italy
Vintage Banker Desk Lamp 14 Brass Finish Green Glass Shade
Antique Brass Clam Shell Bankers Desk Lamp, 1032355
Brass Shell Desk Lamp –Vintageinfo – All About Vintage Lighting
Antique Bankers Desk Lamp
Nice sized brass bankers lamp with an adjustable brass shade allowing you to control, the direction the light is cast., 16” tall, Uses a Type A bulb,
Vintage Brass Banker Lamp with Adjustable Shade
Vintage Piano Lamp Clam Shell Brass Finish Art Deco Style, Mid Century Modern Library Desk Table Lamp Bohemian Coastal Hollywood Regency
Antique Bankers Desk Lamp
Quality Vintage Art Deco Brass Table Lamp With Clam Shell Shade Unique Adjustable Desk Lamp in Solid Brass With Fabulous Natural Patina - UK
Brass Bankers Lamp