On line firearm auction sites, such as gunbroker, auctionarms, and gunsamerica may represent the best estimate of what a given gun is selling for, if you search for your gun in the closed or completed auctions.
Blue Book of Gun Values
Blue Book of Gun Values, gun shop, gun show, library, Winchester collector forum, etc..
Blue Book of Gun Values
Blue Book of Gun Values
Blue Book of Gun Values, pawn shops, gun shows, gun shops, completed auctions.
Blue Boook of Gun Values or proofhouse.com
Blue Book of Gun Values
Try the Blue Book of Gun Values
Blue Book of Gun Values, Winchester book by Madis
On line auctions
Blue Book of Gun Values
Blue Book of Gun Values has sn data as does Proofhouse.com.