No serial number = no answer.
Call S&W and they will tell you.
You can find out by calling S&W, they will tell you.
1948 is the year Model 12's in the serial numbers 1102372-1176055 were made.
Call S&W and they can tell you when it left the factory.
Call S&W and they will tell you.
Early 1950's
what is the year made and value of ser. #'s 7g 10367 &236272 Belgium browning
1955
No serial number provided.
Depends on the model, is it a pump, bolt???
45 years old
There is no such model number. What ever you have was made in 1980.