I knew a woman who got a $50 bill as a tip from a customer. No small talk, no propositions. She thinks that he meant to leave a $5, but made a mistake, so she kept it in an envelope for him, if he came back. He never did, and she kept the money.
That’s interesting. I worked at several restaurants before I got my college degree, and the $10.00 tip was not the biggest I ever had.
But it was the biggest I ever had for a cup of coffee and pie which was only about a $1.00 tab. LOL.