Marlin probably has one and most likely won't sell it to you.
Absolutely not!
Under the lever
The Gun Trader's Guide gives $185 for the Marlin AS 30-30 in NRA Good condition
You have one of the variations of Marlin 1895 - the G, GS, S, Cowboy, or Guide Gun. The value depends on which model you have and who you can find to buy it. The prices run from $400 to $700.
Try gun shops, gun shows, on line auction sites, want ads, e-gunparts.com
My wife’s aunt was the secretary at Marlin Firearms where these were assembled.
If you don't have an owner's manual, find a gunsmith. You can try gun shows and want ads to find a manual as well as internet searches. Good luck.
model 55 the original marlin goose gun
You can find the manual for the Marlin Glenfield Model 25 on various firearm enthusiast websites, such as Gun Manuals or similar platforms that archive firearm manuals. Additionally, the Marlin Firearms website may offer downloadable versions or links to manuals for their products. Online forums dedicated to firearms often have members who can share copies or direct you to where you can find the manual. Lastly, checking with local gun shops or libraries may yield a printed version as well.
Depending on overall condition.Your Marlin goose gun will range in price from 55-200 dollars.
Places to try would include Marlin, gun shops, gun shows, e-gunparts.com
Did marlin make a goose gun with a thirty nine inch barrel