I'm an FFL and working a possible trade for a Ruger Blackhawk, 3-screw, unaltered, .44 Mag with a 4-digit serial number made in 1957. There's some wear near the muzzle, and the original owner wrote his name and the date he got it (1958) inside the grip. No box or other papers. What would you folks expect to be a good selling price range for this, so I can figure my profit margin and determine if it's worthwhile.

Thanks

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