敦煌遗书S．3835号卷背，抄有一组形式奇特的文字，转录于下：末题“辛卯年十月廿八日”。本件之前，抄有《太平兴国九年（984年）马保定卖宅契》。据以推知“辛卯年”当为北宋淳化二年即公元991年，是为本件抄写之时，而原作当不晚于五代时期。此件发现之后，学者多以为学童涂 Dunhuang suicide note S. Volume 3835 roll, copied a group of peculiar forms of text, transcribed in the next: the last title “Xin Mao on October 28.” Before this part, copy “Taipingxingguo nine years (984) Ma Baoding sell house lease.” According to infer that “Xin Mao years” when the Northern Song Dynasty Chunhua two years that is the year 991, is the time for the copy, and the original when not later than the Five Dynasties period. After the discovery of this piece, many scholars think that children painted