1896
Check the barrel and receiver.
Check the frame and barrel.
how much does it cost a 1983 marlin 38-55 hex barrel?
Your marlin 336sc(standard carbine) was made by the marlin firearms company in 1950.
Look on the barrel and receiver.
85 years
Early firearms in .22 caliber were not required to have a serial number. Your Marlin 81 falls into this time frame.
The J prefix to your serial number indicates that your marlin model 39A was made in 1952.
Impossible to know the caliber with only a serial number. It should be marked on the barrel.
go to: Marlinfirearms.com and pose the question to them
your marlin was made in 1904.
1975.