A CIRCULAR PIERCED IRON TSUBA with swastika and lightning design with the pipe rim, 17th century, 7.5cm.; a circular iron tsuba with a shape of warabite in yo-sukashi, signed Kishu ju Teimei, (overcleaned), 18th century, 8.1cm.; a Shoami circular iron tsuba carved as wasps and antlers in yo-sukashi, 19th century, 7.1cm.; an iron tsuba formed as three umbrellas, details in gilt nunomezogan, Bushu school, 19th century, 7.1cm.; and an oval iron Ko-Shoami Iitsuba, the round iron plate designed as horse-bits, 1600, 6.7cm (5)