Perry’s arrival in 1853 unraveled the Tokugawa peace and created the first mass demand for working swords in two centuries. Kiyomaro, called the Masamune of Yotsuya, died on its eve; Munetsugu and Yukihide carried the boom to the end.
This tanto is accompanied by a certificate for Iwai Kishinmaro (Iwai Kishinmaro Minamoto Masatoshi). Based on the yasurime, there is a high possibility that it is from the Yamaura school. Iwai Kishinmaro Minamoto Masatoshi was born in Bunka 11 (1814) as the eighth son of Kuze Hirotaka, the lord of Sekiyado Castle in Shimousa, and later became the adopted son of the hatamoto Iwai Heizaemon and resided in Yanagawa, Edo. He first studied under Hosokawa Masayoshi and Taikei Naotane, and later further studied under Kiyomaro and Suzuki Masao. It is said that his style is closest to Suzuki Masao.
Offered by E-sword
The listing mentions papers that aren’t in our records yet. Papers can come from different bodies (the NBTHK, the NTHK and smaller societies), and only current NBTHK or NTHK shinsa papers are the independent check we rely on. Please ask the dealer which body issued them. — Hoshi




As written by the shop
Machine translation from the shop's Japanese · may contain errors ·
Shinshinto · Shinano
Bakumatsu: the last war market
Perry’s arrival in 1853 unraveled the Tokugawa peace and created the first mass demand for working swords in two centuries. Kiyomaro, called the Masamune of Yotsuya, died on its eve; Munetsugu and Yukihide carried the boom to the end.
We could not find an authenticity certificate on the seller’s listing. Japanese swords and fittings are normally papered by the NBTHK (or the NTHK). Without one, the attribution is the seller’s own assessment and has not been independently verified — treat it with caution and ask the dealer about certification before buying.
Cooling-off (returns or exchanges) is accepted within 3 days of the item's arrival. Return shipping and refund transfer fees are the customer's responsibility. Fees other than the item price (transfer fees, credit card fees, etc.) cannot be refunded. Returns and refunds are not available for overseas destinations.
¥350,000