25-200 usd
25-125 USD depending on condition
50-100 USD
Need a detailed description of ALL markings, caliber, type of weapon to try to answer.
100-400
10-100 usd
The
About $375-$450, depending on condition.
5-75 or so
100-300 USD
You need the services of a professional appraiser like Kopec
On GunTrader.com it is worth about $675 in japan
10-10000 USD depending on specifics.