Because the age of the scenery in the picture is not necessarily connected directly to the age of completion, and there is a possibility that the picture was painted based on drafts, and the seal 'Kuninobu,' the Shubun Enkaku nai Tsubogata In (pot-shaped seal in a round frame with shunbun style (shunbun means seals carved around the characters, leaving red characters on the paper with white background)), which is put on the picture is of the highest credibility among seals Eitoku held, the art historians now regard it is the genuine Eitoku's.
画面の景観年代は必ずしも制作年代に直結せず、粉本をもとに描いた可能性があること、画面に捺される「州信」の朱文円廓内壺形印は、永徳所用印のうちもっとも信頼度の高いものであること等により、美術史家たちは本作を永徳の真筆とみなしている。