If you mean a 10-22 than it's worth anywhere between 100$ to 450$ depending on the year it was made its condition etc.
1966
Average $200-$300. Spelled Sturm BTW.
75-400 USD
Blue Book of Gun Values
Is it a revolver or semi-auto? You can go to Ruger's website to look up the serial number.
300 or so
About 1953. Ruger lists the serial number ranges of different model firearms on their website, under customer service. Link to yours is below:
Ruger has sn information on their web site.
50-300 usd
100-200
10-400 USD or so
It is a semi auto PISTOL, not a revolver. Value depends on exact model and condition. Roughly $100-$350.