Catalogue entry no. 201 by Max Loehr:
201 Thin Chisel-like Blade
Translucent, deep celadon-green jade with a few whitish markings. The thin, plano-convex blade has a concave edge, with the tips broken off. Of the two perforations, the upper and smaller one is conical; the lower one, cylindrical and irregularly rounded. A sharply marked, straight groove runs on the convex surface from the upper hole to the butt. The sides are sharp-edged. Western Chou(?).