Board Thread:General Discussion/@comment-25348252-20170314013835/@comment-679780-20170314043159

Yeah, please don't try to pass of unofficial content as legit. It's under our policy on art.
 * Non-official or non-Sonic images do not fall under the fair use doctrine on Sonic News Network, as their subject is outside the scope of the wiki. Therefore any non-official or non-Sonic images must be accompanied by permission from the original artist before being uploaded, else they may be deleted. If you are the artist yourself, you must state this clearly on the image page.

Also, to find an ambiguous video game cover and to believe it could be canon is one thing to be mistaken for, but given you made that cover art and trying to pass it off as official (made and/or endorse by Sega) thats kind of a bad thing to do.