You have a Marlin model 1896 slide action shotgun, however, it is a Blackpowder shotgun and you will need brass hulls.
Your Marlin rifle,not shotgun was made in the year 1972.
Marlin made the model 1898 shotgun,while Winchester made the Model 1897 shotgun,A Winchester model 1897 shotgun with the serial number provided indicates that it was made in 1900.The Marlin model 1898 shotgun was made from 1898-1905.
This cannot be answered without you providing a detailed description of the shotguns overall condition,and the model of Marlin shotgun that you have.
The Marlin model 30G serial number 3512 20 gauge shotgun is valued at $350 in good condition. It is valued at $750 in excellent condition.
I can say that the Marlin model 1898 shotgun was made from 1898-1905.I do not believe that the serial numbers by year of production are available in the public domain.
The marlin model 28 hammerless shotgun was produced from 1913-1922.
can't be answered without the serial number.
The Marlin model 1898 shotgun was made from 1898-1905.With the serial number provided,I would sat either 1898,or 1899.
call marlin
1949.
It is almost impossible to determine what a model number is based only on the serial number.
The Marlin model 24 pump action shotgun was produced by Marlin firearms company from 1908-1915.