Ryujin Swords

Katana by Monju Yamato school in shirasaya, NBTHK Hozon



Click on any picture for more detail.

Blade

Period: This sword was produced circa 1573.

Mei: Mumei

Sugata: Shinogi-zukuri, shallow tori-zori, iori-mune.

Overall length: 35.70 inches (907.00 mm).

Nagasa: 27.24 inches (692.00 mm).

Nakago: O-suriage, 8.46 inches (215.00 mm) with 2.5 mekugi ana. The yasurime are technically katte-sagari, but they are so flat as to almost be kiri.

Kissaki: Chu-kissaki 1.23 inches (31.20 mm), komaru boshi.

Moto-haba: 1.13 inches (28.70 mm). Saki-haba: 0.75 inches (19.10 mm). Moto-gasane: 0.27 inches (6.90 mm). Saki-gasane: 0.18 inches (4.50 mm).

Sori: 0.47 inches (12.00 mm)

Hamon: Suguha, nie-deki with sunagashi and ashi.

Hada: Masame hada and utsuri and chikei in jitetsu.

Blade condition: In good condition and polish, with no fatal flaws, as can be seen in the photographs below.

Mounts:

In shirasaya with brass habaki. The horn elements on the shirasaya have been professionally repaired and photos will be coming shortly.

Comments:

This was, originally, a very long sword, with at least another 5-6 inches on the nagasa, giving a blade of 32-33 inches long. It is still quite impressive in its shortended form. Presumably it had to be shortened following Tokugawa edicts on the maximum length of swords.

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