In my days at ANACS (which ended in 1984) we could have certified it is genuine (if we were convinced that it was) with a photo certificate that described ALL of the problems. This particular piece looks like it came out of the ground, but I would not render an opinion on it without seeing it in hand.
@Insider Thank you for checking into this. Anyone that reads this thread will have learned something. It’s nice to know there at honest people that are willing to humble themselves and apologize for an error they made. Kudos to you for doing so and if I could give more than one like I would gladly do so.
Response from NGC customer service (pretty quick response): Thank you for your email! Coins that receive an altered designation have significant or deceptive surface alterations. In these situations, we do not grade the coin and it is returned to the submitter with the information you received. Unfortunately, NGC does not offer any more information as to what led them to this conclusion or a description of what the altered surface was in reference to. Let us know if you have any other questions.
I'd give you a "like" but when I'm sure of something I'm not humble. Honest, yes; humble no. Unfortunately, there have been many cases when I've been sure of something and been proved totally wrong. Fortunately, I learn something that keeps me very humble for a few minutes.
Time flies by when you're not having fun too all you have to do to prove it is get married. Duh! Like your post Thank you.
I apologize for going off topic but here is my latest NGC "opinion"; considering collecting body bags with different designations... https://www.ngccoin.com/certlookup/6453776-002/other/