Technically, the film is a product of its time, yet it ages gracefully. The absence of modern special effects forces the director to rely on atmosphere, lighting, and sound design to create the "spooky" ambiance. The creaking doors, the shadowy corridors, and the eerie background score serve the narrative perfectly, enhancing the comedy when the "ghost" is revealed to be a farce. The black-and-white cinematography adds a layer of noir aesthetic to the comedy, grounding it in a reality that makes the absurd situations even funnier.
When a movie is "verified," it implies: