Impossible to tell without a picture, serial number, caliber, barrel length, and type of action.
Or look for the model:D
1974
Impossible to answer without a serial number.
No way to know without trying.
Good 22.
Contact High Standard with the Serial Number and they will tell you when it was manufactured.
100-1000 USD
1,000,000,000
1970
60-130 USD
Yes, they made that model
1978
50-125 or so