Contact S&W or get a copy of Standard Catalog of Smith and Wesson by Supica and Nahas.
@ 1965
1967
Impossible to answer without a serial number.
Impossible to answer without the serial number.
1977
@ 04
When was 38 smith and Wesson serial number 172095
1955
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.
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.