That reminds me of another lawyer joke:
A lawyer, a doctor and a car dealer are standing around, chatting at a wake, when the lawyer says, "You know, it has always been a tradition in my family to slip some money into the coffin, just so's the dear departed will have some walking-around dough, over there on the other side."
"What a nice idea," says the doctor, and puts a crisp $100 bill into the coffin.
Then the car dealer agrees, steps up and does the same.
Then the lawyer steps up, removes the two $100 bills, puts them in his wallet, and then places a check for $300 in the coffin.