Your Marlin model 336RC(regular carbine) will bring between 250-350 dollars,depending on overall condition and a good bore.
1955 1955
The letter M prefix found ahead of your serial number indicates that your Marlin model 336 rifle was made in the year 1955.
http://oldguns.net/sn_php/marlinlookup.php
1955
300-350 dollars.
The value of a Marlin model 336 in that condition is 350-400 dollars.
The 336 began production in 1948. It can not be a 336 and made in 1917. Cross reference your serial number ... google Marlin Serial numbers and click on an applicable site.
The marlin model 336 mostly ranges in price from 275-375 dollars,depending on the overall condition of the rifle.
@ 1955
what year was my marlin 336 serial number 26076513 made
They make many models and have made the rifle for years, you need to be more specific.
The W prefix to your serial number indicates that your marlin 336 was made in 1963.