Depending on exact model and condition, your Remington Mdl 760 Gamemaster is worth about $400. More or less.
How much monye is i
300.00 in good condition
35-80
35-80
whellen not whalen
275-350 dollars.
I believe you have a Marlin 35 Cal. Model 336 CS rather than a C5. Look again.
How much is 35 grams of gold worth in pounds
100-450 USD
At auction in Lancaster county PA a Marlin 336 in 35 Rem in very good condition sold for $320 on 7/10/10.
35-100 USD
Pretty hard to say as they were not manufactured untill 1909.