I love the instructions at the bottom:

  One last thing: consider where you'll use it. Legal documents and contracts need a signature that's at least partially legible — someone should be able to connect it to your printed name. For everything else, go as abstract as you want.

Because until he changed it, he had a spectacularly hilarious signature, much derided at the time, especially for the fact that it would have made its way onto US currency [1].

I'm still kind of sad he changed it though, would have loved to have a twenty with that signature on it in my office.

0: https://www.npr.org/sections/thetwo-way/2013/05/07/182033320...

1: https://nymag.com/intelligencer/2013/01/jack-lews-terrible-s...

That is wild. Hahaha.