Can anyone identify this?

Hi,

I've this railroad lamp. Its got a few markings "CNR" "Piper" and "HLP". I've enclosed some pictures.
Im trying to find out if its A. authentic and B. worth any money.

All the photos can be viewed here:
http://www.firenzee.com/jamie/rr0001.jpeg
http://www.firenzee.com/jamie/rr0002.jpeg
http://www.firenzee.com/jamie/rr0003.jpeg

Thanks in advance for your advice.
James Lesbirel

Hi this is a CNR switch lamp These lamps are fairly common, in good condition worth around $100 CNR was one of the last railroads to use these kerosene switch lamps I saw them in use up until the late 70s

HLP stands for the Hiram L Piper Company of Montreal which is the manufacturer