Kitagawa Utamaro. Illustration from book Ehon koi no Onamaki, published in 1799. Reference found by Chris Uhlenbeck: he found one of the designs in Hayashi Yoshikazu’s 20-volume set Edo makura-e shi shusei: Kitagawa Utamaro.

Size: Chuban (25.5 x 18.5 cm), two book pages glued together.