“Yukyo,” “no end,” was the title Isamu Noguchi gave this one of a kind theater drop curtain he made for the Tokyo Theatre beginning of the 1950s. Better known for his Coffee Table and Akari light sculptures, it seems that Noguchi got the inspirations for these lamps when working on this curtain – both created from Mulberry bark paper.
These sort of drop curtains, called doncho in Japanese, are quite habitual for Kabuki theaters – not only as a background scenery but also to indicate the middle or end of a play:

Images (1),(2) from thenoguchimuseum.tumblr.com, (3) by na0905, (4) by DanceTygerDance, (5)-(7) by Urasimaru, (6) by Jiahoa Chen