(left) Steuben Yellow Cintra Lamp Base
acid cut back, shape # 6373 c. 1920"s vg 27" ht. 5 1/4" diam
(middle) Art Glass Lamp Base
24 1/2" ht. 7 1/2 diam
(right) Durand Threaded Lamp Base
minor thread loss vg 24 1/2" ht. 6" diam