短刀　銘備州長船住長守／建徳□年十月日 短刀　銘備州長船住長守／建徳□年十月日タントウ メイビシュウオサフネジュウナガノカミ/ケントク□ネンジュウガツヒ

National Institutes for Cultural Heritage

The National Institutes for Cultural Heritage (NICH) comprise four National Museums (Tokyo National Museum, Kyoto National Museum, Nara National Museum, and Kyushu National Museum) and two National Research Institutes for Cultural Properties (Tokyo National Research Institute for Cultural Properties, and Nara National Research Institute for Cultural Properties), as well as the International Research Centre for Intangible Cultural Heritage in the Asia-Pacific Region (IRCI) in Sakai City, for a total of seven institutions.