Go to the Ruger website, customer service, historical data, select your model, look up serial number/year.
Ruger's web site has extensive sn data.
1999- or so says the Ruger website.
Ruger has sn information on their web site.
1975
About 1953. Ruger lists the serial number ranges of different model firearms on their website, under customer service. Link to yours is below:
If the Ruger web site will work for you, they have sn data available.
1966
The Ruger website, under customer service, hostorical data, has a date of manufacture listing by serial number.
50-350 usd
Ruger has extensive sn data on their web site, if it is up. Value could be 50-500 depending on specifics.
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.
100-500 USD depending on specifics