It is a J frame.
Revolvers do not have safetys
50-1000 USD or more depending on specifics
50-450 USd
100-450 USD
100-450 USD
42 years old
1942-45. Probably 38 special
Mid 1980's. sales@countrygunsmith.net
Impossible to answer without the serial number. You will have to call S&W
You will have to call S&W
S&W never made a detective special. Colt made the Detective Special
You will have to call S&W