This piece is illustrated and described in Old World Prehistoric Artifacts,"Overstreet's Indian Arrowheads, Identification and Price Guide", Robert Overstreet, , New York, 2001, 7th edition, page 1080, illustration no. 4. The author states,"8 1/2" Clactonian blade, Sainte Adresse, France. Over 500,000 BC soil sheen. Long and symmetrical. An industry without bifaces, whose southwestern limits is Clacton-on-the Sea England.
Ex: Duncan Caldwell. Paris.
8.5 in. x 2.5 in. / 22 cm. x 6.35 cm.