USA, c. 1950
chrome-plated brass, glass, brass, plastic 5 h × 4¾ dia in (13 × 12 cm)
chrome-plated brass, glass, brass, plastic 5 h × 4¾ dia in (13 × 12 cm)
estimate: $100–200 
result: $219
Signed with molded manufacturer's mark to underside: [Jefferson 500 Cat. No. 580-221 Jefferson Electric Co. Bellwood, Illinois].