Nine ivory and bone netsuke

Nine ivory and bone netsuke
Edo period (1615-1868) or Meiji era (1868-1912), early to late 19th century
Comprising: a rat on a coil of rope, unsigned, 6.4cm (2½in) wide; Urashimataro on a turtle, signed Ranko, 3.2cm (1¼in) wide; a frog and young on leaves, signed Mitsuyuki, 3.8cm (1½in) wide; a grasshopper on leaves, unsigned, 5.4cm (2 1/8in) wide; a shishi recumbent on a base, unsigned, 3.2cm (1¼in) wide; a manju netsuke carved with Fukurokuju, signed illegibly, 5.1cm (2in) diam.; a ryusa style manju netsuke carved with a peony, signed Kogyoku, 4.2cm (1 5/8in) diam.; a bone or stag-antler frog on a folded lotus leaf, style of Hoshunsai Masayuki, signed Kaizan, 5.4cm (2 1/8in) wide; and a bone dragon emerging from a fruit, signed Gyokushi, 4.2cm (1 5/8in) wide. (9).