Ayer ms 1515 was likely bound in Guatemala. Giselle Simon, former Director of Conservation Services at the Newberry Library, considers the binding technique consistent with nineteenth-century work, albeit a relatively “crude binding” which “the Newberry would not have bound.” She also opines that pest damage is more indicative of a Guatemala binding “because of the worm holes and where they are and how they line up.”
Woodruff, John M. The “most futile and vain” Work of Father Francisco Ximénez: Rethinking the Context of Popol Vuh. U. Alabama, 2009. Print.