What is this Nikon film SLR called?

I received this camera as a gift, and I'm trying to find the instruction manual online.
Then I realized I have no clue what it's called, and I can't figure it out since there are no markings on the camera except the NIKON on the front.
So, I was hoping you could help me out.
Heres some pictures:

There are many

Ir looks like an FE or FM. The serial number should list one of those prefixes.

Here is a link to the FE user manual

http://www.cameramanuals.org/nikon_pdf/nikon_fe.pdf

Here is the manual for the FM

http://www.cameramanuals.org/nikon_pdf/nikon_fm.pdf

If your camera does not have a depth of field preview button then most likely it is an FE

I'm pretty sure it's a Nikon FM, if I'm not mistaken the film advance lever on the FE is all black not just the tip. Other than that the FE and FM looked pretty much the same.

It's an FM; the ring around the shutter button is knurled on your camera and has two notches in it, while the FE's is smooth. In addition, the FE's shutter speed dial has more settings (down to 8s and including AUTO) and its film speed is set by a ring around the film rewind lever.