It is a semi auto PISTOL, not a revolver. Value depends on exact model and condition. Roughly $100-$350.
200 USD
50-200
Which model? Value varies with make, model, and condition.
Ruger. 20-250 USD depending on specifics
50-500 USD depending on EXACTLY what you have and condition.
20-200 USD or so
Average $200-$300. Spelled Sturm BTW.
Impossible to value with just the sn. Ruger has sn data on their website if the site is up
50-350 usd
Ruger has sn information on their web site.
Ruger's website lists the current offerings.
50-250 USD or so