Catalogue entry no. 338 by Max Loehr:
338 Large Chisel-like Tablet
Brown jade with light brown markings, fashioned into a broad rectangular slab with a beveled, blunt edge. The butt end is deprived of it supper right corner, which was probably fractured and subsequently ground smooth. The conical perforation is drilled from the upper surface; the same surface shows a long, slightly curved saw ledge near the right margin. Eastern Chou(?).