Orvis graphite fly rod

Question
My father would like me to sell this for him, but I don't have any idea what it is worth. Here is what I know.
He bought it in the 70's and at that time he paid around $200.00 for it. It is an Orvis graphite fly rod. On the metal case it is in it says 8ft. 1 7/8 oz. Orvis HDG (6).

Answer
Hi Charlotte,

I don't have a lot of information on this particular rod.  Most of my reference materials deal with older gear.

However, what I have found seems to indicate the rod is still worth about what he paid for it...say in the $150-$200 range depending on condition.

Thanks,  Joe