By rlunsford, 29 October, 2014 Description There is a blue oval shaped plate on top of base that reads: Underwriter Laboratories, Inc., Listed PORTABLE LAMP, Issue No. E-189. On the bottom of the lamp is: E-40502 Category Lamps and Chandeliers Medium milk glass? Distinguishing marks Underwriters Laboratories, Inc Condition Mint Price Paid (If known) ? Gift For Sale? Yes Photos Log in or register to post comments