Welcome to the Forum. You have a 32 Double Action, Second Model made from 1880 to 1882. There were about 22,000 of this model made, with a total production of all 32 DAs totaling over 300,000. Your revolver would have shipped most likely the end of 1880 of early 1881. The pearl stocks could be original and if you carefully remoce them, look for a penciled serial number on the right stock.
The question I have with this gun is whether the barrel is original to the gun? This model was introduced with a patent change that occured in 1880. Your barrel does not have the 1880 patent date, but checking my Second Model, it does have the 1880 date. The top stampings are identical to a 32 Single Action spur trigger and it is possible that the gun is not matching. The serial numbers for the barrel are between the ears of the latch frame behind the top latch. You will need a magnifying glass to look for the numbers that are stamped on both sides of the top latch. There is also a serial number on the bottom of the latch and on the rear of the cylinder. The cylinder appears to be proper for the DA.
It is hard to value these by a few pictures, but if the gun matches, it would be worth $200-$250 and if it does not, it would be maybe $150.