Really old 12 gauge bolt action

[YoungGunz67]

So I do gun work on the side for giggles with my dad and my buddy brought this to me and he wants to sell it to me for $50 anybody know what it is/worth

http://s1319.photobucket.com/user/e...Uploads/image_zps60de1fc7.jpg.html?sort=3&o=0

 

[Maritime Storm]

Chassepot?

 

[YoungGunz67]

Will update when I see it but I've never seen anything like this before

 

[YoungGunz67]

Just did some speedy research and Maritime-Storm is correct it's a chassepot conversion.anybody know what it's worth