Lot Essay
This unusual piece is possibly from southwestern China. The cast decoration on the stem and at the base of the disc is similar to that of a slightly oval bronze mirror compared to pieces excavated in Sichuan and Yunnan provinces, illustrated in Chugoku Sengoku jidai no bijutsu (The Art of the Warring States Period), Osaka Municipal Museum of Fine Art, 1991, p. 139, no. 235. The published mirror has an openwork knob at the base of the spreading stem.