A Heianjo Katana
A Heianjo Katana

PARTIAL SIGNATURE HEIANJO, LATE MUROMACHI PERIOD (16TH CENTURY)

Details
A Heianjo Katana
Partial signature Heianjo, late Muromachi period (16th century)
Sugata [configuration]: honzukuri iori-mune, o-kissaki, shallow toriizori
Kitae [forging pattern]: itame hada with jinie, masame on shinogi-ji
Hamon [tempering pattern]: wide midare and choji of nie
Boshi [tip]: ko-maru with long kaeri
Horimono [carvings]: Bohi, dragon and Buddhist ken
Nakago [tang]: three holes
In shirasaya [plain wood scabbard]
Koshirae [set of mounts] comprising: black lacquer ishimeji saya decorated overall with clouds; matching shibuichi mounts decorated with clouds, gilt dragon menuki, rounded-square silvered-copper tsuba decorated with heron, gilt details, 105 cm. long
Nagasa [length from tip to beginning of tang]: 70.8 cm.
Sori [curvature]: 1.2 cm.
Motohaba [width at start of tempered edge]: 2.9 cm.
Sakihaba [width before tip]: 2.3 cm. (2)

Lot Essay

The portion of the character remaining on the end of the tang following the shortening process appears to be the top part of "yoshi." A number of possible signatures in the Heianjo school are Yoshinaga, Yoshifusa, and Yoshinori. Earlier generations of the school from the Nambokucho period onwards generally inscribed "ju" (resident of) after the word "Heianjo," so this sword was evidently made by a later smith during the sixteenth century. The broad form, shallow curve, and substantial kissaki of the blade all suggest work of around the Tensho era (1573-92).

The Museum of Japanese Sword Fittings register ascribes the blade to Yoshifusa, whereas the government registration document has a note attributing the sword to Yoshinori and stating that it was from the old Uesugi collection. Another possibility is Yoshinaga, the son of Nagayoshi (said to have carved unusual horimono), who worked around the Tenbun era (1532-55).

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