An ivory netsuke of a mouse crouching beside entwined rope, its eyes inlaid in dark horn (slight wear and minute hairline cracks) -- 7.6cm long, 18th century; an ivory netsuke of Gama Sennin, depicted seated and smiling with a frog on his head, inlaid eyes (chipped foot, minor age cracks and disclouration), -- 5.5cm high, signed Yoshinaga, early 19th century; an ivory netsuke of a farmer seated on an ox playing the flute (minute age cracks) -- 4.2cm wide, inscribed Rinzan, early 18th century; and an ivory netsuke of a karashishi balancing on an egg containing a baby karashishi peeping through the cracks -- 4.2cm. high, signed Kogetsu, 19th century. (4)