Is "Mirror of National Costumes of All Nations (Bankoku ishō kagami)" in the public domain?

Yes, Mirror of National Costumes of All Nations (Bankoku ishō kagami) is in the public domain and available for free download under CC0 license.

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『万国衣装鑑』|Mirror of National Costumes of All Nations (Bankoku ishō kagami)

Kobayashi Kiyochika, 1882