Daisho koshirae. A true Samurai Daisho, these swords are mounted in a spectacular Handachi style Koshirae of Shakudo. The Motif is of Samurai clan Mons and are in pristine condition. The mons that are used are called Paulowinia, it is a flower pattern referred to in Japanese as Go-Shichi-No-Kiri and was used to represent the Prime minister of Japan in later times.
Tsuba with design of autumn plants and grasses. Edo period Late 18th–early 19th century - Murakami Jochiku (Japanese, died about 1790–1800) http://www.mfa.org/collections/object/tsuba-with-design-of-autumn-plants-and-grasses-11825