Well, it is a DEER gun. And yes, the 30-30 is the most popular deer rifle in the US. The Winchester 94 and the Marlin 336 are the two most popular rifles.
Gun Parts Corp or Jack First websites
200
plenty
want ad, gun show, gun shop
50-200
100-1000 USD or so
Blue Book of Gun Values
See: http://www.gun-data.com/tour7.html this may help you.
20-60 USD or so
There are many places to sell a Marlin 30-30 1870-1970 Commemorative. Gun shows and online gun auctions are good places to start. Make sure to research the prices and find out the gun laws before making a sale to anyone.
I happen to have the same rifle. I have been looking for worth and owners manuals for the gun and the only info i can find on the gun is it was made in 1983.
Gun stores don't have them in stock but are aelling for 1300.00 if you wanna back order