"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 have been published without notice and is not eligible for copyright protection.
Note: These messages don't apply to the image above, but a tip for others interested in using other imagery from C Comics:
Although C Comics No. 2 was published without a valid copyright notice, C Comics No. 1 was, and as such remains under copyright.
While C Comics No. 2 as a whole is in the public domain, some portions may not necessarily be "free" for all purposes. On several pages, the comic appropriate well-known characters from comic strips that remain under copyright. These include Dick Tracy (a character originated in 1931), Nancy (1933), Archie Andrews (1941), Veronica Lodge (1942), etc. There is independent copyright protection for fictional characters, which may apply for certain uses of these pages from C Comics. While the artwork itself may be public domain, the depicted character may not be—see COM:CHARACTER for more information. Original characters from C Comics No. 2 are public domain.
Licensing
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.
The author died in 1994, so this work is also in the public domain in jurisdictions where the copyright term is the author's life plus 25 years or less. This work may also be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
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.
Note: This tag applies to scans and photocopies only. For photographs of public domain originals taken from afar, {{PD-Art}} may be applicable. See Commons:When to use the PD-Art tag.
Captions
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{{Information |Description={{en|1=Cover of ''C Comics'' No. 2 by Joe Brainard. Published 1965 by C Press.}} |Source=https://krahngrace.wixsite.com/comics/c-comics-issue-2-archive – Original scan slightly cropped and rendered in black-and-white, mainly to correct for some minor yellowing at the bottom. |Date=1965 |Author=Artwork by Joe Brainard. |Permission={{en|1=No permission required for the following reasons: #First, the photo is a mechanical scan/phot...