1954
Your serial number indicates that your Marlin model 336c(carbine) was made in the year 1980.
Will need the serial number to your marlin if we are going to help you on this question.
My Brother has a 336C and he bought it new in the mid 60's.
100-450 USD
marlin, model 336c
Marlin 336c 3030 The American Hunter #35 of 300... value?
The W means walnut. AC is walnut stained hardwood.
The value would be 150-350 dollars depending on the overall condition of your rifle.
Your rifle was made for Sears by Marlin, and is a model 336C.
These fine made old Marlin rifles will range in price from 200-400 dollars,depending on overall condition and a good bore.
Blue Book of Gun Values will assist you.
The Model 45 is the same gun as the Marlin Model 336C. Pricing on the Sears model would be approx. 10%-20% less than the Marlin.