Four marine ivory statuettes, Early 20th Century

Four marine ivory and yellow patina statuettes, some with traces of polychromy, representing ; a tiger attacking a giraffe , tigers attacking a bovine, a character feeding a crane and a monster carrying a character in a bag.
Some signed in a red cartouche

Japan, Early 20th Century

Giraffe’s height: 16,5 cm (6.4 in)
Monster’s height : 14,5 cm (5.7 in)
Character with crane height : 7 cm (2.7 in).
Bovine’s height : 16 cm (16.2 in)

Provenance :