The Unfinished Century What 20th-Century Art Leaves Behind Exhibition Catalog The spine shows discoloration due to sun exposure. There are minor scratches and scuffs on the cover, but they are not very noticeable. The edges of the pages are also slightly yellowed. The white margins of the inner pages also show some yellowing. A collection of representative art works of the 20th century. Shipping is planned via Yu-Yu or Rakuraku Mercari delivery services.