Catalogue entry no. 51 by Max Loehr:
51 Small Dagger-Axe
Creamy buff-colored jade with brownish markings, The blade resembles the preceding piece, No. 50, but the median crest and the lateral facets are slightly blurred, while the tang is cut to a regular shape. A small hole is drilled from the right side close to the butt. Late Shang or Western Chou.