Your serial number indicates that your marlin rifle was made in the year 1978.
1960
Your Marlin rifle was made in the year 1975,with the serial number that you have provided.
1957-1958.
1957-1958.
The letter R prefix to your serial number indicates that your Marlin model 39-A was made in the 1957-1958 time frame.
move the trigger loop, it should be on the bottom tang.
your marlin model 39a was made in 1960.
When was my Marlin Golden 39-!, SN: s12585 made?Your serial number letter prefix of S,indicates that your Marlin Golden was made between June 1958-1959.
The letter R prefix to your serial number indicates that your Marlin rifle was made between 1957-1958.
The S prefix to your serial number dated your marlin model 39 to the years 1958-1959.
You will need to provide the serial number to your Marlin model 39 lever action .22cal rifle to get a date of production.