A group of four Japanese iron tsuba, Edo period (1603-1868), the first a maru gata (round shaped) and maru mimi (round rim), flat plate and engraved design of stylised leaves and pine needles and further pierced design of a fern frond or antler signed Tanshu Ju Sadamasa, 17th century, the second an impressive unsigned open work maru gata shaped design of paulownia and weeping wisteria, attributed to the Owari school, the third an unsigned maru gata and square rimmed sukashi design of three irises and leaves, the fourth a mumei unsigned round shaped and rim, pierced design of stylised double chrysanthemum with sekigane (copper inserts). 8.5 cm, 8 cm, 8 cm, 7.8 cm wide, condition: no visible faults or damage.