what
Requires appraisal
that would be a percussion black powder rifle from the civil war. value would depend on overall condition
Check the on line auctions.
Impossible to answer without knowing who made it.
100 or so
Depends on the condition and type. Does it have a patch box?
Seek a professional appraisal
$850-$1,995
50-300 USD or so
50-275 USd
1-1000