Hi Tim,
That's a beautiful club you have there...
What is it that would differentiate this example from the "expensive but not uncommon" clubs you compare it to? Is the design and relief work not as detailed as one might expect?
I also can relate to the "strange looks" you describe, as I too receive them whenever I find a sword - or especially a spear - at a local swap meet. Of course, nothing gets people to "make a hole" like a giant tribal spear in your hand.