Can be as high as a few thousand dollars. Value will depend heavily on exact model and condition.
100-500 USD.
Yes, if it is a 10 gauge shotgun.
20ga, 12ga, 10ga and if you were poor a 410.
100-675 usd
That 10ga with a 30 inch barrel was made in 1892.
Not more than 100-125 USD.
Call Ithaca. If they don't, they might know who does.
There is no restriction on different size wires being spliced in the same junction box. If your question involves splicing 8ga. to 10ga, this also is not a problem so long as the circuit allows for 10ga wire.
Probably about the same, but 10ga is huge for ear piercing.
If you go to the browning home page,they may be able to answer your question.
Yes, and they still do make a BPS 10ga. Wood stocks are the Hunter Model