" Camilla: You, sir, should unmask.
Stranger: Indeed?
Cassilda: Indeed it’s time. We all have laid aside disguise but you.
Stranger: I wear no mask.
Camilla: (Terrified, aside to Cassilda.) No mask? No mask!
-- The King in Yellow, Act I, Scene 2. "
― Robert W. Chambers , The King in Yellow and Other Horror Stories