Lionel No. 671-75 Special Smoke Bulb . . . Separate Sale with BoxReplacement for the special bulb used in 1946 "671" and "2020" locomotives. Box is good condition . . no rips or tears . . few slight marks. . . as shown. Bulb is very good-excellent . . . tested and works fine. Filament great shape. I have just discovered more information on the smoke bulb . . . It is stamped GE 799 . . . . . 18W . . . . . 18V . . . on the base. Thanks.