ÇÁ¶ó ¾ÈÁ©¸®ÄÚÀÇ ½ÃÆíÀ» ¿¬ÁÖÇÏ´Â ´ÙÀ ¿Õ , Fra Angelico, King David Play in a Psaltery, c. 1430, Pen and brown ink and purple wash on vellum, 197x179mm , British Museum, London