The letter S was assigned as a prefix letter to the serial number from June of 1958 thru 1959.
The Marlin Model 336 chambered in .35 Remington with the serial number 72096918 was likely manufactured in 1979. Marlin's serial number records indicate that this number falls within the production range for that year.
We need a model to start research. You should contact customer service at Remington (who now owns Marlin)
The letter V prefix to your serial number indicates that your Marlin model 336SC(sporting carbine) was made between 1961-Aug.1962.
What is the age of my Marlin rifle if the serial number is 26,000,000 plus
http://en.wikipedia.org/wiki/Marlin_Model_336
1990
The serial number on marlin 336rc is under the lever of the gun
Your Marlin firearm was made in the year 1991,with the serial number provided.
The H prefix to your serial number indicates that your marlin model 336A was made by marlin in 1951.
With the serial number provided,your Marlin .22cal rifle was made by Marlin in the year 1985.
With the serial number that you provided,your Marlin model 25 was produced in 1975.
Your Marlin firearm was made in the year 1979,with the serial number that you have provided.