Grolier Codex
... that the authenticity of the supposedly Maya Grolier Codex is disputed, even though it uses pre-Columbian paper?
... that the authenticity of the supposedly <a href="./Maya_civilization" id="mwBCg" rel="mw:WikiLink" title="Maya civilization">Maya</a> <b id="mwBCk"><a class="mw-redirect" href="./Grolier_Codex" id="mwBCo" rel="mw:WikiLink" title="Grolier Codex">Grolier Codex</a></b> is disputed, even though it uses <a href="./Amate" id="mwBCs" rel="mw:WikiLink" title="Amate">pre-Columbian paper</a>?