[ Prehistoric Artifacts ] 9.25in Bi-Pointed Ceremonial Blade, Translucent Knife River Chalcedony, Knox Co., Indiana, Ex. Dr. Rollin H. Bunche and Charles C. Smith, (Catalogue #42), (Lot No. 441 in the Bunch Auction, 1949), pictured in Who's Who #1, p. 84, Who's Who #9, p. 334, and Who's Who #10, p. 315