There is a M1873 coming up at an auction and I'm not up to speed on Winchesters. From the bad pic I did see it appears to be a 24" barrel version in .38-40. Its the only gun in the auction and the auctioneer is listing it as fair condition. It looks like it sat in the garage for a long time. Visible rust but until I can hold it I don't know how severe. No serial no. given and I won't know that until auction day. Bore condition unknown. Brass underneath is worn so must have seen a lot of use onetime. Wood worn but need a close look. If I base the condition from Fair to better than average wall hanger, what price range should I use for each version 1 ,2 & 3? An info at all would help. Thanks.