Impossible to answer without a detailed description of all markings, features, box, papers, accessories, etc..
These model 12,s were mostly collected as safe queen,s.That being said your browning model 12 if not fired and in 95% to 100%(unfired new in the box) are valued at 1,000-1675 dollars at this time.
This was a Winchester reproduction High Grade shotgun made by Miroku (Browning). 850 were made in 1993 only.
100-1000 usd
High grade firearm
Yes.The Winchester model 63 grade I,or the High grade model 63 were both produced in japan during 1997-1998.I believe the maker was Mirouku,who also made fine firearms for Browning from 1976 on.
This serial number is too high to be the Browning High Power. What model is it? It may be an FN model under brownings patent, but not a Browning arms Co gun. Please be specific about the model and ask again.
You will have to contact Browning to find out. If you are referring to the run of Browning model 71's that were made between the mid to late 80's and early 90's, there were a total of 14,000 made. 4,000 Standard Rifles with a 24 inch barrel. 4,000 Standard Carbines with a 20 inch barrel. 3,000 High Grade (Deluxe) Rifles with a 24 inch barrel. 3,000 High Grade (Deluxe) Carbines with a 20 inch barrel.
You will have to call Browning.
they are going for as high as 1250.00 dollars
A general value can be made if the Model, Serial Number, and condition is given. Over/Under guns are on the higher end of value, while the Pump Guns are the low end. Prices can start in the $300 range for well used pump guns, while High Grade Over Unders can to over $30,000.
What model, year and grade? Come on, you need to give us some info! Lefevers are worth from $50.00 for a salvage gun to tens of thousands for an early high grade model in perfect condition.