I'd try here. Being handmade by your uncle, I'd imagine to be worth much, monetarily, he'd have to have been known, with a fairly significant number of sales. But at the minimum, you may have a fun rod to fish, handmade by your uncle. And, you could always try fly fishing out of your boat.
http://classicflyrodforum.com/forum/
http://classicflyrodforum.com/forum/