Ruger has sn information on their web site.
Ruger has sn data on its web site
Ruger's website lists the current offerings.
You need to contact Ruger. You may have a prototype
200 USD
50-200
Ruger. 20-250 USD depending on specifics
50-500 usd
100-300 depending on specifics
Go to the Ruger website. There is a section to date your 22 by serial number.
Which model? Value varies with make, model, and condition.
Ruger website, customer service, historical data, revolver, single six, find your serial number.
50-500 USD depending on EXACTLY what you have and condition.