Trying to put a value on anything with just the limited information provided is hard to do. Value depends on a combination of many factors. You have only providided the most generic description. Without a detailed description to include, finish, barrel length, stock material, sights, box, origiinal paperwork and any accessories, only a general estimate can be given. This weapon could be in the 30-450 USD price range more or less.
100-375 USD
100-340 or so
100-400 USD
0- 350 usd
50- 400 uSD
50-325 usd
value of smith & Wesson model 5906 pistol
S&W did not make a model called "police special",
100-300 USD
100-350 USD
100-300 USD
50-375 usd