Enter a clue or pattern or both:
The Clue
Gambler's note (3 letter answer)
The Answer
IOU
Tags
Notes
The answer IOU is seen frequently, appearing about once every 90 puzzles.
Related Clues
Chit
Marker
Promise
Chit in a pot
Debt acknowledgment
Debt doc
Debt memo
Debtor's letters
Debtor's note
Debtor's promise
Gambler's mark
Gambling note
Gambling tab
Letters of credit
Letters of credit?
Marker letters
Marker, of sorts
Promise to pay
Promissory note
Slip in a pot
Acknowledgment of debt, in brief
Indicator of shortness, for short
Note from a busted person
Note traded for bills
Paper in lieu of payment
Paper in a poker pot
Part of a poker pot
Promissory note of a sort
It might be called in
Letters often followed by a number
Note in a poker game, e.g.
Definition
IOU as a noun:
1. an informal debt instrument; representing `I owe you'