No permission is required for the following reasons:
First, the photo is a mechanical scan/photocopy of the original cover and does not qualify for independent copyright protection.
Second, the poster was first published prior to 1978 without a valid copyright notice.
Keep in mind that the pre-1989 requirements for copyright notice were highly formalistic and, other than a few enumerated exceptions, required these three elements:
"The name of the copyright owner, or an abbreviation by which the name can be recognized, or a generally known alternative designation of the owner."
If just one of these elements is omitted, the work is deemed to be published without notice and is not eligible for copyright protection; in this case, none of the elements are present.
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 the public domain for the following reason:
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
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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photo noire et blanche de Louis Glück poétesse américainne.
== {{int:filedesc}} == {{Information |Description={{en|1=Portrait of Louise Glück used for a poster promoting a reading at the Poetry Center at the Museum of Contemporary Art in Chicago.}} |Source=[https://archive.poetrycenter.org/2015/07/21/gluck-louise-1977-2004/ poetrycenter.org]. Cropped and retouched. |Date=Circa 1976–77 |Author=Unknown. |Permission=No permission is required for the following reasons: #First, the photo is a mec...