Blue Book of Gun Values
Ruger's website lists the current offerings.
Ruger makes a solid quality product
Ruger has sn information on their web site.
You need to contact Ruger. You may have a prototype
Revolver
seven hundrud
100-1000 dollars.
Ruger has a serial number search function on the company web site.
No, it cannot.
Could range from 50-500
yes
Ruger. 20-250 USD depending on specifics