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:

この著作物は1915年1月1日以前に公表されたもので、作者不詳のため匿名又は仮名となっています。こうした著作物は、アメリカ合衆国をはじめ、匿名又は仮名の著作物の著作権の保護期間が公表後109年以下の国と地域においてパブリックドメインの状態にあります。

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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