BC.... as the last person with it before learning it is bogus, you are stuck with it in any case -- you are the victim of a crime, yes, but by passing is to anyone else, including the casino, you are victimizing that person. it sucks, yeah, but that's the way it is. counselling anyone to find a way of divesting themselves of it is conspiracy.

i am almost positive that the note in question is counterfeit. the responsible thing to do would be to take it to the authorities and aid them in finding the source of the banknote. as it stands, the user is now irrevocably linked to that banknote since he did enter it.