Butt and inside crane
1969
50-60's
@ 31 years old
The serial number should be located on the frame,after you open the cylinder.Look where the cylinder arm lays into the frame.
You will have to call S&W for the date.
1977-78.
No such serial number in the Model 60 range.
With the serial number that you have supplied,your Marlin model 60 was made in the year 1976.
With the serial number provided,your Glenfield model 60 was made in the year 1973.
Your serial number indicates that your Glenfield model 60 was made in the year 1974.
1977-1978. sales@countrygunsmith.net
32-33 years old.