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An o-suriage early shinto
katana attributed to Jumyo.
Shinogizukure, iroi mune, chu kissaki. Hawatare: 2 shaku 0 sun 9 bu
2.2 rin (63.4 cm or 24.96"). Sori: 9 mm. Motohaba: 3.1 cm. Sakihaba: 2.12
cm. Kasane: 6.6 mm. Gunome notare midare, choji mixed in, ashi
iri, long kinsuji, sunagashi, ha-nie, hataraki, nado. The boshi is maru
with hakikaki and short kaeri. Moist itame had packed with ko ji nie,
chikei. NBTHK Tokubetsukicho Ninteisho. Shirasaya and copper habaki.
The first Jumyo moved from Yamato province to Mino province in the last part of the Kamakura period. The workmanship was influenced by both provinces. The school was very long lived. The name Jumyo has been thought as very auspicious for longevity and used for gift and many swordsmiths used the same name for generations.
NBTHK Ninteisho From October 21, 1970