Experts from the picture show that this precious treasure is: a couplet of Wu Hufan. Wu Hufan’s calligraphy is mainly based on the calligraphy between Song Huizong and Mi Fu. He gets the elegance of Song Huizong and the handsomeness of Mi Fu. Taking the spirit and abandoning the form, creating a new style of his own, the writing is smooth and vigorous, which is different from the common trend. Judging from the font style and seal, this couplet is consistent with Wu Hufan's personal characteristics, and it is an authentic work of his and has high collection value!