No
no
100-400 USD
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.
Browning's web site has a sn search function.
50-350 usd
0-500 usd
50-500 usd
your browning shotgun was made in 1963.
Depends on the caliber.
100-1000 or more depending on specifics
50-500 usd