Heianjō-zōgan Tsuba (平安城象嵌鐔)
This is a large hand guard (tsuba 鐔) likely made for a long sword (katana 刀). It is made of forged iron (tetsu 鉄).
The openwork design is made of four diamonds. The edge of the tsuba and around the openwork design is decorated with flat inlays (hira-zōgan 平象嵌) of brass done in a woven rope design (nawame 縄目).
The surface of the tsuba on both sides is additionally embellished with a vine and leaf pattern also done using flat inlays of brass.
The rim of the tsuba has a rounded square shape (kaku-mimi koniku 角耳小肉).
The tsuba measures 8.5 cm wide by 8.6 cm high. It is 4.5 mm thick at the rim thicker ~5.0 mm towards the center (seppa-dai 切羽台).