Proofhouse.com has a store brand chart that might help.
50-200
$150
No
50-100 USD
1,295.00 is good condition!
If it is side-by-side, probably Stevens.
Most likely Stevens they did make a model #5100
50-100 USD
100-10000 USD depending on EXACTLY what you have and its condition.
Stevens made for Sears Roebuck
whats the value of a 12 gauge double barrel revelation
Was there a question there?