BLue Book of Gun values
Contact High Standard with the Serial Number and they will tell you when it was manufactured.
With the serial number that you have provided,your Hi standard M-101,.22cal pistol was made in the year 1955.
With the serial number that you have provided,your Hi-Standard model E pistol was made by that firm in the year 1939.
1934. A rather early pistol.
1,000,000,000
1971
1970
Buy one of the books that has published serial numbers for that particular pistol.
No it was not, only the standard mag was numbered to the gun
Go to the Ruger website, customer service, historical data, pistol, find your model, and there is a serial number/ year of production list.With the serial number that you provided,your Ruger standard model single six revolver was made in 1960.If you have a standard model automatic Mark I pistol,it was made in 1957.
1978
Impossible to answer without a serial number.