3 7/16" Adena Bi-concave Pendant - Trumbull Co., Ohio- attractive red and black slate.

3 7/16" nicely styled Adena Biconcave Pendant found in Trumbull Co. Ohio. Made from attractive red and black slate. Ex. Gilbert Dilley TN Sorgenfrei Mike Kiel #3075/MK Doug Hooks David Root #4059s John May Scott Yerkes John Rummel. pictured in Who's Who #1 page 289 and the collection of David Leigh Root Volume 1 page 33.