[OPTICAL ILLUSION]. Japanese Woodblock Print. N.d. Colorful pictorial ukiyo-e style Japanese woodblock bearing a caricature of a man?s face as an optical illusion made up of the shapes of many small contorted bodies in various positions. 10 ? x 7 ??. Laid down. Light toning. Sold with a facsimile woodblock print of a similar optical illusion. 16 ? x 11?. Also laid down.