Can anybody I.D this revolver?

[Sam Cade]

Im I.D-ing and value-ing some old guns for a buddy.
This one has me stumped.
http://img354.imageshack.us/img354/6475/10023120ik.jpg

 

[joab]

Looks like a Velo Dog gun
Belgium, I believe
Scrool down about half way

My was given to me by a friend instead of being tossed out, I don't believe that there is a lot of value to them