Meiji (1868-1912) or Taisho (1912-1926) era, early 20th centuryEach rodent naturalistically modelled seated with its long tail curled round to the side, six cast with the forepaws resting on or clutching a chestnut, one eating an earthworm, each rat with incised fur details; two signed with a kao, two signed Han, one signed Gyokuzan, one signed Masanori chu, one signed Hoju chu. Each rat approx. 7.3cm to 11cm (2 7/8in to 4 5/8in) high. (7).