Marlin 336rc I Have A 30-30 Marlin 336RC Serial R ,how Old Is This Gun,and What Is The Value. In Mint Shape.?

I have a 30-30 marlin 336RC serial R ,how old is this gun,and what is the value. in mint shape.? - marlin 336rc

Marlin used a letter indicating the year. An "r" letter means that the weapon was made in 1958. It is probably worth about $ 350 as a weapon is relatively common and can not in high demand. (Winchester demand.)