...to sign a bunch of pre-war cards in his lifetime. This is one of my all-time favorites. And he pretty clearly signed a "k" at the end of his first name.
And he twice signed this T206 card (I have his signature on a cleaner T206, but the signature is hard to read faded green ink):
And this one is no longer mine--As per my collecting rule, I had to trade it for a signed T206 I didn't already have: