27 years old
1976
1973
No way to answer without the serial number.
1950-52
It was manufactured in 1924.
1956.
Cannot answer without the SN. Can you repost?
Mid to late 40's
No such model number.
It is not possible to determine the age of a Mod 12 with serial number 83876 without additional information. The serial number is typically used for identification and tracking purposes, not for revealing age.
You will have to call S&W and give them the serial number.
Depends on the serial number which was not provided