Jumping around. Maybe this has been addressed already.
4th signature i s ALSO different in that it has (in ALL CAPS) NANCY PELOSI written under the signature. None of the other 3 seem to.
It is argued that the ALL CAPS version of your name is your LEGAL FICTION called your PERSON. The corporate "you" that falls under Uniform Commercial Code? Perhaps previously it was actually Nancy Pelosi signing "as a man"… I'm no expert on this line of thinking, but…