... This image is in the * public domain * because it is a mere mechanical scan or photocopy of a public domain original, or -- from the available evidence -- is so similar to such a scan or photocopy that no copyright protection can be expected to arise. The original itself is in public domain for the following reason: This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. ...
--Wikipedia Public Domain License, Version PD-scan. (Paragraph 1.)
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