0-50 USD depending on exact configuration, age, condition, accessories, etc..
It will usually be marked somewhere on the barrel.
It should be marked on the barrel.
Depends on the caliber, barrel length, projectile weight.
Need to know caliber, barrel length and whether it is a revolver or semi-auto pistol in order to answer.
A 22 caliber pistol holds a dose of 22 caliber ammo.
Could be HS, Rohm
50 or so
What is the caliber, barrel length, finish, grip material, markings on barrel?
4 inches including chamber.
ABOUT $150, depending on condition.
This is a .22 caliber air pistol not a .177 caliber pistol. See the link below for the owners manual.
50-100 USD or so