This shotgun appears to be manufactured by CBC of Brazil and imported FIE Miami, Florida. It is a model SB. Serial# 13677xx It has a brass beaded front sight. Finish does have light rust over the receiver and barrel with some light pitting. Wood on stock and forearm have a nice grain with a gloss finish over it but is gouged.
Sorry about the lack of pictures of the barrel, let me know if they are necessary. It is in much better shapen than the receiver.
The wood would be very nice with a little work.
$65 shipped, offers accepted