Hollowed-out toggle consisting of three lingzhi, the sacred fungus which was symbolic for a long life. The toggle is made of a very light celadon green material and well carved. It dates from the late Qing (1644 - 1912) to the early Republic period (1912 - 1949) and was acquired in Shanghai in 2009. Length 5.3 cm. Width 3.7 cm. Depth 2.7 cm.