Sheels and turtle flat netsuke

Flat ivory netsuke of five shells, one with a turtle sheltering inside. There are three clams, an abalone and a scallop.

Japan – Edo period (1603-1868), 19th century
Height 0.3 in (0.8 cm) – length 2.4 in (6 cm) – width 1.3 in (3.3 cm)