Although most Ema (a votive wooden plaque) deteriorates easily as they are hung on the walls of shrines and temples, this painting remains in a good shape as it was removed from the Shrine in early stage and preserved well.
社寺の壁などに掲げられる絵馬は傷みやすいものだが、この図は早い時期に社殿から取り外して保存されていたため、保存状態がよい。