at least 35 years
100-1000 USD
The Savage model 312 is an over under shotgun that Savage imported from Italy from 1990 through 1993. The shotgun was manufactured in northern Italy in the Gardone region.
I don't know, but have one just like it. over/under silver receiver with engraving, checker stock, and have no idea on it's value. Looks like it's a pretty nice gun.
300.00
The Savage 440B 12 gauge over and under shotgun is valued at $700 in excellent condition. In fair condition, it is valued at $300.
If your over under shotgun was made prior to 1964,then the model of your Browning shotgun should be named the superposed.
Under trigger
Yes.The Remington model 11 auto loader shotgun which could be had in either 12 gauge or 16 gauge was made under a patent agreement with John Browning.These shotguns were made from 1911-1948.
200
$1500.00
In order for me to answer your question,I will need some more information from you.First is this shotgun a semi-auto,pump action,or over-under shotgun.I will need the model of shotgun.Then add the shotguns gauge(12 gauge,16 gauge,20 gauge)? I will need the serial number of your shotgun to date the year of manufacture.If you provide this info,I can then tell you how old your Browning shotgun is.
Best left to a gunsmith.