$100-$250, depending on condition.
1965
Ruger will tell you if you phone customer service.
Ruger's website has extensive sn data. 75-175 or so
Blue Book of Gun Values
Ruger has sn data on their web site.
You will have to call Ruger for the age; 100-400
1964
Ruger has a sn function on their web site. Value range from 100-250 USD Ruger has a sn function on their web site. Value range from 100-250 USD
Ruger's website has a sn function.
If the Ruger website is working, it has sn data on it.
It was manufactured in 1961.
Impossible to value on just the serial number. Call Ruger and they will tell you how old.