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Possibly, it should be stamped with a RR name/initials or logo on it, any I've ever had did.I believe those are considered railroad keys. Check out this site.
https://www.google.com/search?q=old...X&ved=0ahUKEwi0kbikrJDMAhVIViYKHZmbBKoQsxgIHQ
Same here, Nathan. Mine drove spikes for Illinois Central for almost 30 years. Used to have these keys on his keyring.Railroad switch key. My dad worked for the railroad for 30 years and actually used these.