The copyright of this anonymous work belonging to an institution, corporation or legal entity, registered in Argentina, has expired, and it has entered the public domain. At least 50 years have passed after the anonymous work was first published (Law 11.723, articles 8 and 28 and its modifications). Nevertheless, its source must be acknowledged.
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The original itself is in the public domain in the United States for the following reason:

This work was published before January 1, 1915 and it is anonymous or pseudonymous due to unknown authorship. It is in the public domain in the United States as well as countries and areas where the copyright terms of anonymous or pseudonymous works are 109 years or fewer since publication.

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.

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