"Padre Gay mentions that the Mixtecan Indians "sold to some European antiquarians, very thin plates of gold, evidently worked with the hammer, which their ancestors had been able to preserve, and on which were engraved ancient hieroglyphs." (Marshall H. Saville, The goldsmith's art in ancient Mexico, 1920, p.175) SRC - http://www.supportingevidences.net/reformed-egyptian-and-hebrew/
Between 1952 and 1956, a tomb in Guerrero, Mexico, was "excavated" by Dr. Jesus Padilla Orozco and his companions. Many gold objects were found and distributed among other men participating on the tomb excavation. Jesus chose to take twelve small plates because the writing on them interested him. Five of these plates were eventually turned over to Jose Davila, and seven were retained by Dr. Padilla. In the 1970's, Dr. Paul Cheesman of Brigham Young University (BYU) tried unsuccessfully to share this find with modern academia, but was rebuffed, due in large part by Ray T. Matheny, secretary for the New World Archaeological Foundation (NWAF) who published a paper declaring the plates a modern forgery, based largely on the opinion of a Las Vegas jeweler. Meanwhile, Dr. Padilla & Jose Davila had continued their excavations...