It shipped from the factory betwenn 1954 and 1970. You will have to call S&W to narrow it down any further.
1980
No serial number provided.
No serial number provided.
No serial number provided.
No serial number = no way to answer.
Need the serial number
K 7981 smith&wesson
You will need to add the model of Smith and Wesson to your serial number to get the correct year of manufacture.
1978
y
THA7110
@1971