Although it proclaimed the copyright, but the image is scanned from a Chinese book which was published at 1772, named as Li chao ming yuan shi ci: 12 juan (edited by Lu Chang, Qing dynasty) (歷朝名媛詩詞﹕十二卷(清陸昶輯)。清乾隆三十八年(1772)紅樹樓刻本, thus it should be in public domain.
協議
This is a faithful photographic reproduction of a two-dimensional, public domain work of art. The work of art itself is in the public domain for the following reason:
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
The official position taken by the Wikimedia Foundation is that "faithful reproductions of two-dimensional public domain works of art are public domain". This photographic reproduction is therefore also considered to be in the public domain in the United States. In other jurisdictions, re-use of this content may be restricted; see Reuse of PD-Art photographs for details.
Sources:[http://digital.library.mcgill.ca/mingqing/search/results-work.php?workID=18&language=eng Harvard-Yenching Library]. Although it proclaimed the copyright, but the image is scanned from an Chinese book which was published at 1772,named as Li chao