I would start looking for parts at numrich gun parts corp.They can be located on the web.
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.
I am not sure if you can? But I would start with by looking at numrich gun parts corp.They can be found on the web.
100-300 USD
Look up the Marlin shotgun with the same model number.
Your Marlin model 59 single shot shotgun is valued at between 40-100 dollars,depending on overall condition and a good bore.
$1,000,000.00
depending on condition....$80-$100
50-250 usd
best bet for older gun parts is gunbroker.com they sell most everything gun related
100-300 USD
1949.
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.