Tsuba — Japanese wakizashi sword mounting element
Form and material: Oval shape, copper-gold alloy (tate-maru-gata, shakudo migaki-ji).
Signature: "Nami-nao."
Motif: Bamboo and swallows (take tsubame zu).
Technique: Carving and inlay (katakiri-bori, suemon-zogan, kin gin iro-e).
Dating: Late Edo period (19th century).
Documentation: Expert appraisal (member of NTHK and NBTHK, expert of the Ministry of Culture of the Russian Federation), 2011.