Impossible to answer without a serial number.
1974
Impossible to tell without a picture, serial number, caliber, barrel length, and type of action. Or look for the model:D
Ruger's web site has sn data.
impossible to answer without the name of the maker
No published serial number data.
58 years old.
31 years old
1935
1973
Pistol made in Belgium
1956
Sometime between ABOUT 1955 and 1980. Wish we could be more specific, but your High Standard Sentinel revolver (made for Sears) has not been catalogued, and that is not the serial number- that is the model number used by Sears.