Mid to late 40s
The Smith and Wesson model 4053 was made from 1991-1998.
Standard Catalog of Smith and Wesson.
The Smith and Wesson model 10-7 was made in the year 1977.
Made @ 1950.
1980
Smith and Wesson made the model 686-3 from 1988-1992.
smith and Wesson has a collectors site, Google it.
You will need to add the model of Smith and Wesson to your serial number to get the correct year of manufacture.
Your smith and Wesson model 64-3 was made from 1977-1987.
1953
2256
1964