marlin 336 production date

[jespero]

Hi there
I am from Denmark
I just bougt a marlin 336 30-30 with a 20" barrel straigh stock with straigt wood without chekering no safety only 2 point hammer.
The serialnumber is 72xxxxxx
Can you tell me the production date.
How is accuracy in this old gun
selllier and bellot factory loads in 150 grain