Three signed Tagua nut and ivory netsukes, Showa period, 20th century comprising a tagua nut netsuke of a nesting red-crowned crane, finely detailed with incised and inked feather work, signed; another tagua nut netsuke of four frogs clambering over a pumpkin, with textured bodies, signed underside, together with an ivory one of a single frog seated on top of a pumpkin with foliate details, signed. Height 3.5 cm, length 5 cm, and smaller.