You’re pictures aren’t showing up for me. Does it look anything like this one?:
http://www.lodgewood.com/Belgian-Pinfire-Pocket-Revolver-W-Holster_p_3035.html
It’s very similar. On mine the loading gate swings open from the top instead of from the bottom. The octagon barrel is doggone near a dead ringer.
The images are there but, due to my “special” skills, you have to right click and “view image”.