Ōtenta
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Ōtenta (大典太; or Ōdenta) is a Japanese sword specified among the National Treasures of Japan.[1] The sword is one of the Tenka Goken ("Five Swords Under Heaven").[2] The sword was a treasure of the Ashikaga shogunate. After the Ashikaga shogunate fell, the sword was in the custody of the Maeda clan.[3]