There was a laughing devil in sneer, That raised emotions both of rage and fear; And where his frown of hatred darkly fell, Hope withering fled, and Mercy sighed farewell!

-Rochdale
  The Corsair, canto1, stanza 9.

Every communist has a fascist frown, every fascist a communist smile.

-Spark, Dame Muriel Sarah ne¤  e  Camberg
  The Girls of Slender Means.

She developed a persistent troubled frown which gave her the expression of someone who is trying to repair a watch with his gloves on.

-Thurber,James Grover
  The Beast In Me and OtherAnimals,'Look Homeward, Jeannie'.