350
Browning B2000 shotguns in nice shape can be readily bought for under $500.
You will need to conatact Browning and order a letter from them
50-525 usd
You will have to call Browning or provide the serial number.
Check Browning's website under customer service, then date your firearm. Value is determined by condition of firearm, and area of the sale.
400
Can you idenytify the model? Type of action etc...
1k give or take a few hundred
http://www.browning.com/customerservice/dategun/index.asp will help you date it. You need to check the auction sites to see what they are bringing.
No they did not make a gun with that model number. They did make a "B2000" model between 1974 and 1983, both in 12 & 20ga.
there is a dedicated web site for browning auto 5 shotguns, google it.
If you mean a Browning B-2000 12 gauge shotgun then the value would be 495 dollars for a shotgun in the condition you describe.