25-65 US dollars
Probabably 22LR. Have it checked by a gunsmith.
10-100 usd
$100-$150.
20-50 or so
25-56 USD
Mod.T 18 22 l.r. F.I.E
This WAS made with a .22 Magnum cylinder. Please note the past tense. They were imported into the US by FIE, which had been out of business for sveral years. Finding a .22 Mag cylinder will be a matter of luck.
10-80 USD or so
50-125
.22 Mag only.
50-5000 USD or more depending on specifics