2 3/4" Signal Blue Kopp Glass Railroad Ribbed Lens Glass RL4219
2 3/4" Signal Clear Kopp Glass Railroad Ribbed Lens Glass RL4219
2 3/4" Signal Amber Kopp Glass Railroad Ribbed Lens Glass RL4219
Lot of 3 Blue Railroad Signal Lenses - Kopp Glass - 5-1/2" Dia. - Smooth Finish
Soo Line (MStP&SSM) Adlake 200 Kero Railroad Lantern Signal Green KOPP Globe
Great Northern Railroad Lantern Signal Green Kopp Globe Armspear 1925 Model
