4 1/16" Adena Quadaconcave Gorget, Delaware Co., Ohio. Pic. in Ancient Art of Ohio & Ohio Slate

4 1/16" Adena Quadaconcave Gorget made from green and tan Mottled Slate found in Delaware Co. Ohio. Pictured in Ancient Art of Ohio page 192 and Ohio Slate Types page 49. Ex. Kenny Black Collection. From the collection of David L. Root - this relic will be featured in the book The David Leigh Root Collection which will come out in early 2021.