"If an index card is what you want, that's fine. But I don't recall seeing late Muhammad Alis from private signings that weren't on photos, art or memorabilia. Are yours from a private signing or something unequivocally verifiable?…"
I don't know late Muhammad Alis enough to give an opinion on yours. But I would only buy an Ali from the last 5 years from a signing witnessed by a well-known and respected firm. Be it, say, Upper Deck or Steiner, which have signed for…"