Based on typefaces not dirt.
There are other parts that are preprinted, or done with rubber stamps ~ I am really bothered that we have so many folks who appear to have no familiarity with the old fashioned sequential numbering machines and daters.
You're obviously bothered by a lot of things but Irey only addressed the typed parts of the document.
Hes a hot lead type kind of guy. I doubt he had much experience with rubber stamps.