A pair of mammoth tusk figures of rhinoceros, 20th century, each realistically carved striding forward on short legs with head turned slightly to one side, mouth partly open and ears raised in alert attitude, the large head supporting two horns and with small inlaid black eyes, the body surface carved to simulate the overlapping textured 'armour' of the animal's skin, signed on the underside of a hind foot 'Shioman', wood stands, (4), 22 cm long