4 3/4" Adena Bi-Concave Pendant made from Banded Slate, found in Miami Co., Ohio. Ex. Grimm

4 3/4" Adena Bi-Concave Pendant made from Banded Slate found in Miami Co. Ohio. Ex. Elmer Grimm Mick Van Steen Collections. From the collection of David L. Root. This item will be pictured in the upcoming book The Collection of David Leigh Root - Vol 3" which comes out in Spring 2023.