But no one of these codices bore any incontestable mark of its age.
Referring to the codex the reader will observe at the bottom of each plate and directly under—that is to say, in the same vertical lines as the day columns—two lines of red numerals.
In several instances, he returns to subjects treated earlier in the book, such as children's education and the evolution from scrolls to codices.
These sacred dates occur frequently in the codices, especially in scenes relating to the origin and foundation of lineages.
Latin writing can be seen on pages 1 and 56, which corresponded at some point in its history to the outside covers of the codex.
Note that these layouts are consistent with the norms of the two codices respectively.
This state of affairs is formidable testimony to the exceptional historical value of this codex.
