I cannot assign a year of manufacture without you providing a serial number to your Smith and Wesson model 28.
what is the serial number ????
No serial number = no way to answer.
No serial number provided.
No serial number provided.
Your serial number dates your Smith and Wesson model 59 to the years 1977-1978.
You will need to add the model of Smith and Wesson to your serial number to get the correct year of manufacture.
1972
No serial number provided.
1951
No such serial number in the Model 629 range.
No such serial number made as a Model 17