A RARE GROUP OF FIVE MINIATURE BRONZE MIRRORSWarring States period The four smaller mirrors decorated with various low relief T-shaped (or shan ) markings on a feathery beast ground and a central pierced knop, the larger with a central knop with a square surround with a leaf on each edge; fitted box. Between 2in (5cm) and 1 ½in (3.8cm) diam (5). 戰國 青銅小鏡五只 Provenance: A Japanese Collection 來源： 日本私人收藏 For a variety of similarly designed mirrors dating to the Warring States period, see Toru Nakano, Bronze Mirrors From Ancient China , Hong Kong, 1994, pp. 64-71, cat. no's. 3-6.