1957 to 1999
1957 to present.
The Model 59 was made from 1971-1982
No sn = no way to answer.
The Smith and Wesson model 10-7 was made in the year 1977.
there are dedicated web sites for colt and Winchester manufacturing dates etc. Google it
manufacturing mark
@1964
1977
@ 1980
Smith and Wesson Model No. 2
Your serial number dates your Smith and Wesson model 59 to the years 1977-1978.
1992-1994