No Country for Old Men Knife Question

[flipe8]

I just went this last night and thought it was pretty cool. It was the kind of movie that I went to knowing nothing about and was very much pleasantly surprised. In it, Josh Brolin's character carried and used what looked like a slipjoint and I wondered if anyone might have seen the movie and if you knew what he was carrying?

 

[JD Mandrell]

I saw it Friday night, liked it a lot, but never got a good enough look at his knife to tell.

 

[Pete1977]

It looked like a "demo" knife to me.

Llewellyn was a Viet Nam veteran, and the "demo" knife was the issued pocket knife of the armed services. I have one marked USN that was my grandfather's. I also have a few that are marked US that my brother got at an army/navy surplus store.

ETA- I thought it was a good movie. I saw it last month in Chicago while visiting my girlfriend.