noun
square decorative cardboard; autograph board; shikishi
A square piece of thick, fancy paper or cardboard, often with a decorative border, used for calligraphy, paintings, autographs, or short poems. Commonly collected as souvenirs or art pieces.
有名な歌手から色紙にサインをもらった。
I got an autograph on a shikishi board from a famous singer.
展覧会で色紙に描かれた小さな絵を買った。
I bought a small painting done on a shikishi board at the exhibition.