Hmm. So now I wonder if banks required endorsement before the Federal Reserve came into existence.
Now ask yourself who was the first ever to sign for the name to get it registered that you carry and use? then you might find out who has signing authority for it.
"You have to understand Neo, most of these people are not ready to
be unplugged, and many of them are so inured, so hopelessly dependent on the system, that they will fight to protect it." ~ Morpheus / The Matrix movie trilogy.