Marked Kopp Glass.
Vintage KOPP GLASS Railroad Highway Reflector XR7510 - 5-1/4" Blue Hobnail Glass
Vintage KOPP GLASS Railroad Highway Reflector XR7510 - 5-1/4" Red Hobnail Glass
Vintage Kopp Glass ~ Amber Glass Lens 4 1/2" L 3 F ~ Lamp Lantern Signal ~ NOS
2 Vintage Kopp Glass ~ Blue Glass Lens 4 1/2" L 3 F ~ Lamp Lantern Signal ~ NOS
Vintage. KOPP Glass Railroad Lantern Lens. Blue. Railway. Train.
