A CIRCULAR IRON BUSHU TSUBA pierced with a kiri design, 19th century, 7.1cm.; a Bushu circular iron tsuba pierced with a design of kiri and lightning, 19th century, 7.3cm.; an oval Bushu iron tsuba with crossed arrows design in yo-sukashi and gold nunomezogan within the pipe rim, 19th century, 7.0cm.; a circular Owari iron tsuba with the design of bars and circles, (overcleaned), 16th century, 7.6cm.; and a circular Hoan iron tsuba formed as mitsudomoe in yo-sukashi, signed Hoan Sadamasa, 17th/18th century, 7.9cm (5)