The Bouthard link is key.
Bouthard is the expert. He says that the numeral '4' didn't exist in that form on any typewriter ever.
Damning stuff.
read the entire article.
http://www.indcjournal.com/archives/000838.php
In those days, you did not have computers so I don't remember ever seeing a date written 04 January 1972 it was always 4 Jan 72
"Bouthard is the expert. He says that the numeral '4' didn't exist in that form on any typewriter ever."