4 11/16" Adena Bi-Concave Pendant found along the Grand River prior to 1920 Wayne Co., Michigan.

4 11/16" Adena Bi-Concave Pendant made from green and black Banded Slate. Found along the Grand River prior to 1920 by Clarence Whiteside in Downtown Detroit Wayne Co. Michigan at The Whiteside Saw Mill. Ex. Clarence Whiteside John Straton Collections.