Lee it's a .44 Double Action First Model. The stocks are not original to the gun. They would have been put on by the dealer or the owner. It also had a lanyard at one time. It's possible the the serial number is not correct. It there a serial number under the stocks. It would be on the left side. There may be a serial number stamped on the underside of the barrel, or cylinder. It has been refinished out of the factory as the hammer and trigger are nickel plated.

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Don Mundell