My experience for similar guns (like Stevens 311, Stevens 5100, etc) is that your gun is likely worth 250-300 in good condition with little room for movement either way given bad (but working) condition or excellent condition.
< $100
$150
50-200
50- 175 usd
50-180
125-200 dollars.
100-300 USD
50-575 usd
The value is between $7000.00 and $10,000.00
About $100 or so. The damascus/twist steel barrels are generally considered unsafe to shoot with modern ammunition.
Less than $200.
No