100-500 USD depending on specifics
Blue Book of Gun Values
1966
Ruger has extensive sn data on their web site, if it is up. Value could be 50-500 depending on specifics.
50-350 usd
100-225 USD depending on condition, box, accessories, manual, etc..
Average $200-$300. Spelled Sturm BTW.
ball park price with no desricption is $400
400 or so
Ruger's web site has extensive sn data.
1999- or so says the Ruger website.
Ruger has sn information on their web site.
If the Ruger web site will work for you, they have sn data available.