50-100 USD or so
Depending upon model, year of manufacture and condition - as high as $450 for 999, as low as $100 in poor condtion.
'AR' prefix indicates 1977
No, a .22 caliber CCI22s bullet, which is a type of .22 Short ammunition, cannot be used in a standard .22 caliber Ruger revolver unless the revolver is specifically designed to accommodate .22 Short cartridges. Most Ruger revolvers are chambered for .22 LR (Long Rifle) cartridges, which are longer than .22 Short cartridges. Always check the specifications of the firearm and use only the appropriate ammunition for safety.
S&w
22-72
Smith and Wesson Model 1
All of them have a sn.
A .22 caliber Iver-Johnson Cadet revolver.
1941
300-500
Impossible to answer without knowing who made it.
Best left to a gunsmith.
50-125