No way of knowing without you providing a serial number to find the year of production of your Marlin model 39A.
Your serial number indicates that your Marlin model 39A was made in the year 1981.
Your marlin model 39A was made in the year 1980,with the serial number that you have supplied.
Your marlin model 39a was made in 1965.
When was Model 39A serial n7010 made
The L prefix to your marlin model 39A indicates that it was made by marlin in 1954.
The J prefix to your serial number indicates that your marlin model 39A was made in 1952.
The letter W preix to your serial number indicates that your Marlin model 39A was made in the year 1963.
The H prefix to your serial number indicates that your Marlin model 39A was made in the year 1951.
The letter L prefix indicates that your Marlin model 39A was made in the year 1954.
The prefix letters AC indicates that your Marlin model 39a Mountie was made in the year 1967.
The letter W prefix dates your Marlin model 39A to the year 1963.
The AC prefix indicates that your marlin model 39A golden was made by marlin in 1967.