A group of four Japanese iron tsuba, Edo period (1603-1868), the first a maru gata (round shaped) and maru mimi (round rim), pierced sukashi design of paulownia and copper sekigane, unsigned, the second an unsigned Yoshiro style maru gata and maru mimi round edged open work design of joined horse snaffle bits, with traces of gilding, the third an Akasaka school maru gata and maru mimi sukashi design of paulownia leaves and flowers, the fourth a mokko gata (cross shaped) with square rims deeply carved design of orchids and leaves, attributed to the Choshu group. 7 cm, 6.7 cm, 7.7 cm, 7 cm wide, condition: no visible faults or damage.