
Because of the controversial circumstances of its discovery, the Grolier Codex was denounced by prominent scholars as a forgery and a fraud.
We now know that they were wrong:
“Oldest Manuscript in the Americas Confirmed”
For a very brief account of the relevance of the story of the Grolier Codex to evaluations of the Book of Mormon, see
“The Sobering Lesson of the Grolier Codex”