Charles P. Bowditch, On the Age of Maya Ruins
“ The great cycle glyph in the Chichen Itza date is somewhat injured, but it is apparently of the same character as those found elsewhere. The numbers of the cycle, katun, tun, and uinal periods are 10, 2, 9, and 1, respectively. The number of the kin period is a face which, from the circle of dots around the mouth, is pretty surely 9. ”
