ファイル:Ring-shaped portable flask, excavated at Okudayama, Akitakata-shi, Hiroshima, Kofun period, 500s AD, ceramic - Tokyo National Museum - Ueno Park, Tokyo, Japan - DSC09151.jpg
解説Ring-shaped portable flask, excavated at Okudayama, Akitakata-shi, Hiroshima, Kofun period, 500s AD, ceramic - Tokyo National Museum - Ueno Park, Tokyo, Japan - DSC09151.jpg
English: Exhibit in the Tokyo National Museum, Tokyo, Japan. This work is old enough so that it is in the public domain.