Five wood animal and bird netsuke

Five wood animal and bird netsuke
Edo period (1615-1868), early to mid 19th century
The first a squirrel on a cluster of biwa fruit, the eyes inlaid, signed Ichimin to, 4.2cm (1 5/8in) wide; the second a rat seated, holding its tail, the eyes inlaid, unsigned, 3.8cm (1½in) wide; the third a toad on a sandal, inscribed Masanao with a kao, 3.5cm (1 3/8in) wide; the fourth a swimming gull, carved in a simplified manner, unsigned, 4.2cm (1 5/8in) wide; the fifth a toad carved in the manner of Kachu, the eyes inlaid, signed illegibly, 4.2cm (1 5/8in) wide. (5).