Tokubetsu Hozon Nio School for Sale

The Nio school is one of the recognized traditions of Japanese sword. This page collects Tokubetsu Hozon certified works from across the entire Nio lineage — every member smith and sub-school — at the Tokubetsu Hozon designation level. 4 Tokubetsu Hozon-certified pieces from the school are currently available.

4 items currently available from trusted dealers worldwide.

Learn about the Nio school

Recently Listed

無銘(二王/小笠原長旨)- Mumei(Nioh or Ogasawara Nagamune) - 2-553

無銘(二王/小笠原長旨)- Mumei(Nioh or Ogasawara Nagamune) - 2-553

¥1,760,000

長州住二王清定 (長門)(山陽道)

長州住二王清定 (長門)(山陽道)

Price on request

二王 太刀 特別保存刀剣

二王 太刀 特別保存刀剣

¥900,000

刀 二王(無銘) Katana:Nio

刀 二王(無銘) Katana:Nio

¥670,000

Recently Sold

Antique Japanese Sword Katana Attributed to Nioh NBTHK Tokubetsu Hozon Certificate
SoldMay 7, 2026

Antique Japanese Sword Katana Attributed to Nioh NBTHK Tokubetsu Hozon Certificate

A NIO SANEKIYO KATANA (二王実清作)
Sold

A NIO SANEKIYO KATANA (二王実清作)

NIO DEN KATANA (FSS-899)
Sold

NIO DEN KATANA (FSS-899)

Antique Japanese Sword Tachi Attributed to Den Nioh NBTHK Tokubetsu Hozon Certificate
Sold

Antique Japanese Sword Tachi Attributed to Den Nioh NBTHK Tokubetsu Hozon Certificate

Antique Japanese Sword Katana Signed by Nioh Masakiyo NBTHK Tokubetsu Hozon Certificate
Sold

Antique Japanese Sword Katana Signed by Nioh Masakiyo NBTHK Tokubetsu Hozon Certificate

特別保存刀剣 無銘二王 二尺二寸九分 白鞘入
Sold

特別保存刀剣 無銘二王 二尺二寸九分 白鞘入

二王清貞作
Sold

二王清貞作

Katana [Mumei](Niou)[N.B.T.H.K] Tokubetsu Hozon Token
Sold

Katana [Mumei](Niou)[N.B.T.H.K] Tokubetsu Hozon Token

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Related Categories

Nio School — Full ProfileAll Tokubetsu Hozon