The product is a vintage Kopp Glass cobalt blue railroad signal lens that has been tested by AAR and measures 5 1/2 inches in length and 3 1/2 inches in focal length. This collectible item is a piece of railroadiana and transportation history. Perfect for restoration of your lantern. showcasing the craftsmanship and durability of Kopp Glass. The distinctive cobalt blue color adds to its appeal as a unique piece of hardware for lanterns and lamps. Lense looks good. This was used in an antique lantern and was rescued. There is a tiny flea bite you can feel but can't really see.
