The apparition didn't smile; it merely raised a transparent tooth, pointing at the empty gallows, asking for the joke that had taken his crown.
Then the clown remembered that he himself had been the executioner, dressed as a comic actor, and that when he pulled the rope taut, the king had offered him a grimace identical to the one that now hung suspended in that polluted air.
That very night, the ghost spoke for the first time: "Tell him that story again." And the comedian, opening his mouth, felt his own laryngeal passage transform into a mobile knuckle.