3 1/16" Adena Bi-Concave Pendant made from Banded Glacial Slate. Mercer Co.,Ohio Pictured

3 1/16" Adena Bi-Concave Pendant made from Banded Glacial Slate. Found near Fort Recovery Mercer Co.Ohio by Cletus Wangler. Ex. Wangler George Heckman Mike Kiel Brent Heath John Rummel Collections. Pictured in Who's Who #8 page 109 and in Lar Hothem's Ancient Art of Ohio page 177 #447.