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 30-300 USD price range more or less.
It is a J frame.
S&W did not make a model called "police special",
0-500 usd
1942-45. Probably 38 special
Impossible to answer without a detailed description.
50-1000 usd
S&W never made a detective special. Colt made the Detective Special
10-250 usd
K
62 years old
Smith and Wesson's most popular revolver was the .38 Special, widely used by police officers, both in the United States and abroad.
No