Key is from the Pennsylvania railroad. The Pennsylvania had 25 - 30 differently marked Region / Division keys. This example is stamped W C for the Western Region, Chicago Terminal Division. Front also has A 1495 serial number. Most of these keys had no back stamp maker on them. An added bonus is this one does. It has the F-S Diamond logo dating it around 1915 to 1930's. Key also has excellent pocket wear displaying well. These two recently listed keys could be ones needed to fill in vacant spots. JF
