Kokin Wakashu Preface Okura.jpg
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Kokin Wakashu Preface Okura, Calligraphy of Preface to the Collected Japanese Poems of Ancient and Modern Times, Ink on  ornamented paper,.
Handscroll, early 12th  century, Japan.
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Kokin Wakashu Preface Okura, Okura Shukokan, National Treasures of Japan (writings), Kokin Wakashū (Handscroll version)
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古今和歌集序大蔵 古今和歌集集古和歌集序 紙本墨書手巻 12世紀初頭の日本。
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古今和歌集序大蔵・大蔵集古館国宝
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