they didn't have a serial number.they were made in 1959-1965. that was before the control law of 1968 was pass.
00034810
Check the receiver and barrel.
No way of knowing without you providing a serial number to find the year of production of your Marlin model 39A.
Contact marlin customer service through their website.
Left side under the rear site. That's where it is on my 99M1.
The Marlin model 70P (Papoose) was made from 1986-1994.With out a serial number it would not be possible to say the exact year of production.
Serial numbers were not required before 1968. Try looking on the receiver.
You will have to contact Marlin to find out.
You will have to contact Marlin to find out.
SN's not required before 1968
By also providing the serial number in your question.
The Wikipedia site for marlin 336 rifles includes a table showing how to use the serial number to find date of manufacture.