can't be answered without the serial number.
your model 1898 marlin shotgun was made from 1898-1905 with a total production of 67,000 guns.I would assume that with that serial number it was made in 1898 or 1899.
The Marlin firearms company produced pump action shotguns from 1898(the Marlin model 1898)all the way up to 1985(The model 120 Magnum shotgun).during that time span Marlin made 17 different model pump action shotguns.
it is a 410 ga pump shotgun
The Marlin model 24 shotgun was produced by Marlin from 1908-1915.
Between 140-200 dollars,depending on the overall condition of your shotgun,and a decent bore.
Depends on the model, and condition. Model number should be under the receiver, or on the top tang, unless it is a model 1898, which had no markings to indicate model.
Marlin
No, The 778 is a pump style shotgun with a tube style magizine.
You have a Marlin model 1896 slide action shotgun, however, it is a Blackpowder shotgun and you will need brass hulls.
To determine exact value of a 1904 Marlin 12 gauge pump shotgun, you would actually have to take a number of factors into consideration. The main thing to consider would be the condition of the shotgun.
The Marlin model 24 pump action shotgun was produced by Marlin firearms company from 1908-1915.
Look up the Marlin shotgun with the same model number.