It would depend on the model you are interested in. Here is a link for Automatic 16's.
It is a Stevens shotgun, based on a Browning patent. Inexpensive.
The name is Superposed. Find this book - Browning Superposed: John M. Browning's Last Legacy by Ned Schwing
You will have to call Browning with the sn to find out.
You will have to carefully note exactly how the gun is marked, first.
You will have to call Browning to find out.
You must call Browning to find out.
You will have to contact Browning and order a history letter.
the manuals are available on the Browning site in .pdf format
on the bottom of the receiver
Customer service at Browning.com
ojn the bottom of the receiver
Try contacting Browning via their website at www.browning.com