Related Clues:

• Gambler's acronym
• Chit left in a pot
• Evidence of shyness?
• Pot promise
• Note from a losing gambler
• "I will pay you later" note
• Nongreen paper in a pot, say
• Initials of obligation
• Written promise to repay
• Letters before a monetary amount
• Letters signifying debt
• Pot note
• Note in a poker pot, maybe
• Short person's pledge?
• Note to be paid