10-100 USD or so
Blue Book of Gun Values will get you in the ball park
Derringer 2 Shot, 357 Mag, SN 929, what is the value
50-230
10-100 usd
75-275 or so
50-75 USD
I've seen them sell for anywhere between $185 and $250.
50-150 usd
50-300 USD or so
Depends on EXACT model and condition- $150-$250
No more than 50 USD
5-130 USD or so