The product is a set of vintage railroad signal light lenses or railroad lamps lenses ,made by the brand Kopp Glass. These lenses are likely collectible items that would be of interest to railroad enthusiasts or collectors of transportation memorabilia. The Kopp Glass brand adds a sense of authenticity and quality to the product, making it a desirable addition to any collection or display related to railroads and trains. N.O.S / please review all photos for complete details and condition.
