Original 1957 Japanese B2 linen backed poster for *The Monster That Challenged the World*, directed by Arnold Laven and starring Tim Holt, Audrey Dalton, and Hans Conried. Featuring the terrifying giant mollusk from the Salton Sea, this dynamic design captures 1950s sci-fi horror energy in vivid monochrome blue tones. Expertly linen backed for preservation and display — a striking collectible and exceptional example of Japanese monster cinema advertising.