The trade ad for the album was published in Billboard on 6 February 1971. It can be dated from the publication date, so it falls into the pre-1978 category.
There are no copyright markings as can be seen at the full view link.
The ad is not covered under any copyrights for Billboard.
"A notice for the collective work will not serve as the notice for advertisements inserted on behalf of persons other than the copyright owner of the collective work. These advertisements should each bear a separate notice in the name of the copyright owner of the advertisement."
Licensing
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This advertisement (or image from an advertisement) is in the public domain because it was published in a collective work (such as a periodical issue) in the United States between 1929 and 1977 and without a copyright notice specific to the advertisement. Unless its author has been dead for several years, it is copyrighted in jurisdictions that do not apply the rule of the shorter term for US works, 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. See this page for further explanation.
The original description page was here. All following user names refer to en.wikipedia.
2011-04-10 17:34 We hope 462×637× (294853 bytes) {{commons ok}} {{Information |Article = The Worst of Jefferson Airplane |Description = Trade ad |Author = RCA Records |Date = 6 February 1971 |Source =[http://books.google.com/books?id=7QgEAAAAMBAJ&pg=PA65&dq=jefferson+airp
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{{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|Trade ad<br/> ==Copyright details== * The trade ad for the album was published in ''Billboard'' on 6 Fe