Help! Could someone help me identify this dagger?

[Don Gustavo]

I recently found it in my father's garage, it looks pretty old, I don't know anything about it, perhaps someone could tell me something about it? Any help will be greatly appreciated.

http://www.flickr.com/photos/dongustav/9225289812/in/photostream/

 

[Poez]

Looks like a souvenir to me.