And, at least in my case, he included a comic strip of a guy cashing a cheque at the bank, being asked by the bank teller what he got this cheque for. "Three dollars? You sure work cheap!".
I found that hilarious.
Ahh, thanks for clarifying. I knew about the fictitious bank, but didn't realize you got a paper check for it.
Lockheed's legendary Kelly Johnson was said to have given quarters to anyone at the Skunkworks who won a technical bet off of him. I believe these were also treasured by those who got them.