A Yellow and Russet Jade Scabbard Slide, Zhi Ming Dynasty or Earlier

of characteristic form with a rectangular top and incurved ends resting on a square lug, carved on one side with a taotie mask finely engraved with curled horns below a pattern of 'C'-scrolls and comma motifs enclosing three small cross-hatched lozenges, the smoothly polished stone marked with brown inclusions along the edges, together with the original auction catalogue

Sotheby's London, 11th July 1967, lot 51.