4 9/16" Adena Bi-Concave Pendant - Lorain Co., Ohio. Pictured in Who's Who #8, page 109.

4 9/16" Adena Bi-Concave Pendant made from green and black Banded Slate found in Lorain Co. Ohio. Pictured in Who's Who #8 page 109. Ex. George Heckman (#6741/GEH) Collection. From the collection of the late David L. Root. This item will be pictured in the upcoming book The Collection of David Leigh Root - Vol. 3 which comes out in early 2023.