3 11/16" Adena Rectangular Pendant made from gray and black Banded Slate. Mercer Co., Ohio

3 11/16" Adena Rectangular Pendant made from gray and black Banded Slate. Found in Mercer Co. Ohio. Ex. Dr. B.J. Moss Todd Walterspaugh Collections. From the collection of David Leigh Root. This item will be pictured in the upcoming book The Collection of David Leigh Root - Vol. 3 which comes out in early 2023.