Shinju-kyo

Sankakuen-shinjūkyō from the Tsubai Ōtsukayama kofun in Yamashiro, Kyoto

A Shinjū-kyō (神獣鏡, "deity and beast mirror") is an ancient type of Japanese round bronze mirror decorated with images of gods and animals from Chinese mythology. The obverse side has a polished mirror and the reverse has relief representations of legendary Chinese shén ( "spirit; god"), xiān ( "transcendent; immortal"), and legendary creatures.