4 1/2\" Kopp Glass Railroad Lantern Red Ribbed Signal Lens 4 1/2 L 3 1/2 F For Sale

You are offerding on a vintage red ribbed Kopp Glass 4 1/2\" diameter railroad lantern signal lens (marked: 4 1/2L 3 1/2F, KOPP GLASS). In good condition with a few very small nicks on the first inside ring (probably from from manufacture/handling or storage). Not sure if this lens has ever been used. It came from the estate of an employee of N&W railroad in Roanoke, Virginia. Please see all the photos and ask any questions before offerding. We only ship to the lower 48 United States. Thank you very much for looking.