鈴木春信画　覗き絡繰り・「高野の玉川　弘法大師」, A Teenage Boy and Girl with a Viewer for an Optique Picture (Nozoki-karakuri) ; Kōbō Daishi?s Poem on the Jewel River of Kōya (Kōya no Tamagawa: Kōbō Daishi), Edo period (1615?1868), ca. 1788, Japan, Polychrome woodblock print; ink and color on paper, 10 3/4 x 7 3/4 in. (27. 3 x 19. 7 cm), Prints, Suzuki Harunobu (Japanese, 1725?1770), An elegantly dressed teenage boy and girl have been viewing a special type of print designed to create a three-dimensional effect when seen through a viewer with a convex lens known as a nozoki-karakuri (peep box) or Oranda megane (Dutch glasses)