A bone belt hook, Warring States period with box, 15.7 cm long. Provenance: C. C. Teng, Taipei, 28 February 1995, no. 001650 (label and receipt) Compare a similar slender-formed hook, see Sotheby's, Chinese Art including Property from the Collection of Cheng Huan, 18 December 2020, Hong Kong, lot 1145