This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country. Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:(%EA%B3%A0%EB%8C%80%EC%86%8C%EC%84%A4)%ED%98%84%EC%94%A8%EB%9F%89%EC%9B%85%EC%8C%8D%EC%9D%B8%EA%B8%94.djvu

This tag is designed for use where there may be a need to assert that any enhancements (eg brightness, contrast, colour-matching, sharpening) are in themselves insufficiently creative to generate a new copyright. It can be used where it is unknown whether any enhancements have been made, as well as when the enhancements are clear but insufficient. For known raw unenhanced scans you can use an appropriate {{PD-old}} tag instead. For usage, see Commons:When to use the PD-scan tag.

According to Articles 39 to 44 of the Copyright Act of the Republic of Korea, under the jurisdiction of the Government of the Republic of Korea all copyrighted works enter the public domain 70 years after the death of the creator (there being multiple creators, the creator who dies last) or 70 years after publication when made public in the name of an organization. (30 years for death before 1957, 50 years before July 2013)

This applies to copyrighted works of which authors died before 1 January 1963, or made public in the name of an organization before 1 January 1963.

Furthermore, with the exceptions of photographs reproducing otherwise copyrighted works of art, and photographs inserted into a work of study or art and produced only for the purpose of inclusion within said work, photographs or other works of a similar form to photography either published or produced in negative on or before 31 December 1976 are now in the public domain in the Republic of Korea as their term of copyright has expired there.

There are exceptional cases. Property rights are to belong to the state according to provisions of the Civil Law and other laws upon the death of a copyright owner without heir or, in the case of a legal person or organization, upon its dissolution. The product must also be in the public domain in the United States.