Ruger has extensive sn on their web site. Value will depend on the condition, accessories, box, papers, etc..
100-1000 depending on specifics
200-450 or so
500 USD or so
0-400 USD depending on condition. 0-400 USD depending on condition.
50-550 usd
100-600 usd
Depending on condition, anywhere from $450-$750.
100-450 or so
300-500 USD
350-550 USD
Ruger's website has sn data.