Your description is badly incomplete. Assuming you have a Tanarmi revolver with both a Long Rifle and a Magnum cylinder, value is about $175 for one in excellent condition. These were not high dollar guns.
The EXCAM Tanfoglio TA 22 is about $100-125. Some versions had a second cylinder in .22 Magnum, and may bring another 425-$50.
50-125
10-100 usd
25-70 USD or so
25-56 USD
10-80 USD or so
50-125
Condition?
50-500 usd
$250.00 if in excellent condition
10-200 usd
10-100