Records are not complete, but late 1965/ early 1966 would be a best estimate.
52 years old
1932-42
52 years ago
1964
1966
1964
James Spacek book on Hi-Standard
1966
Early to mid 70s
late 30's to late 40's
Post the serial number or find a copy of the Standard Catalog of Smith and Wesson.
No way to value with just the sn.