complete rectangular, narrowing from the sides towards the poll The surface is ground with some flakes. No differentiation between the butt and blade. The bevel is flat and differentiated from the blade by a clear ridge. The cutting edge is sharp and straight, with some slight chips. complete lozenge, with sides narrowing in towards the poll The surface is ground with a few flakes. No differentiation between the butt and blade. The bevel is curved and distinguishable from the blade by a very faint line. The cutting edge is straight and sharp but slightly chipped.