With your serial number, your revolver would have most likely shipped in 1879. Condition is the main factor in value, but it is not easy to assess with one photo. The nickel finish looks a little banged up, but looks to be there. Right stock is badly oxidized, since they would have been black when new, plus they show a fair amount of wear on the checkering. That is an indication that the gun was well used or carried in an open holster for a long time.

Given the above, I would have to give a range of $200 to $300, depending on how tight the action is the condition of the bore.

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Gary
SWCA 2515