Juyo Enju tachi

Reference example

第四十九回重要刀剣 (Dai 49-kai Juyo Token)

肥後國延壽 (Higo no kuni, Enju)

但大磨上無銘也 静穏ナル出来口ヲ示シ滋味豊ニ候 概ネ来氣質ナレド大丸帽子トナル点ニ

此派ト可鑑者有之 同派極中屈指ノ優品而地刃健体ナルモ好矣 珍々重々

However, it is O-suriage and unsigned. It shows calm workmanship and has its own charm. Although it generally shows Rai characteristics, it can be attributed to this tradition because of its O-maru Boshi. It is one of the best pieces of the tradition, and it is also good that the blade is healthy. It is rare and valuable.