National Treasure

Blade for a Long Sword ("Tachi"), Named "Ōkanehira”
太刀(名物 大包平)
Swords & Armour · Heian, 12th centuryTNM
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It was not uncommon for ancient swords to be shortened in accordance with changing trends in warfare. The boldly crafted form of this sword, however, remains unmodified.
— Museum description: Tokyo National Museum (CC BY 4.0), via ColBase / Japan Search.















