Winchester model 770
i was just wondering if anyone knows anything about these guns. what they are worth? what is the differance between the model 770 and the model 70? my dad has one that he bought in 1969 or 1970. it has a4x Redfield scope (not sure of the specific model)that he put on it when he bought the gun. i know for a fact it have not been fired in the last 30 years or so. just knid of interested to see if anyone knows anything about it. thanks