Can't be answered without a detailed descriptioin of ALL markings and caliber
1973 or so
1961-1962
1977
1930
Very late 90's to early 2000's.
1965
Early 1964. www.countrygunsmith.net
Need to know caliber, barrel length, type of action (tip or swing).
1968
Call S&W and they will tell you.
The sn as provided does not match any in the Model 17 range.
Estimated in the mid 60's. Call S&W and they will tell you when it left the factory