D2608
36 r.Your Marlin rifle is the model 36.With the large letter D ahead of the serial number,this identifies your rifle as having been made in the year 1947.This is a Marlin model 36 3rd variation.The markings of ADL were marked and available from 1946-1947 only.and marked on the barrel of these rifles.
the caliber is stamped on the gun.
Your marlin 336sc(standard carbine) was made by the marlin firearms company in 1950.
The manufacturer is normally stamped on the firearm next to the model, caliber, and serial number.
The J prefix to your serial number indicates that your marlin model 39A was made in 1952.
Early firearms in .22 caliber were not required to have a serial number. Your Marlin 81 falls into this time frame.
1980
Somewhere on the frame.
1975.
Some Marlin Model 56 did not have a stamped serial number. The Firearms Control Act of 1968 required serial numbers to be stamped on weapons and since the Model 56 began production in 1955 it was not required. While Marlin did stamp some, they discontinued the practice saying it was non productive.
Many .22 caliber rifles made before 1968 did not have serial numbers. This would include your Marlin 100.
This Marlin 39A Mountie .22 Caliber Lever-action rifle with serial number R5077 was manufactured between 1957-1958.
1955 1955