Contact S&W or get a copy of Standard Catalog of Smith and Wesson by Supica and Nahas.
@ 1965
1977
Impossible to answer without the serial number.
@ 04
Impossible to answer without a serial number.
1967
When was 38 smith and Wesson serial number 172095
Your serial number was used by Smith and Wesson for the models 10,12,13,45,64,65,547.It dates this serial number to the year 1979.
1955
Smith and Wesson is the make.
Standard Catalog of Smith and Wesson
You will need to add the model of Smith and Wesson to your serial number to get the correct year of manufacture.