Four smileys in a square. Top row: Excited face and happy face. Bottom row: Sad and sadder.
Original: https://openclipart.org/detail/172731/smileys-black-and-white
Four smileys in a square. Top row: Excited face and happy face. Bottom row: Sad and sadder.
Original: https://openclipart.org/detail/172731/smileys-black-and-white