It is 121cm long and 52cm wide and kept in two boxes of paulownia wood.
It is the Chousou portrait of the founder of this temple, Dainen priest. The Chousou is the portrait describing the founder of a temple and this type of portrait had been often drawn in Kamakura period and the period of North and South dynasties. Some temple have all chousou describing all generation of the chief priests.
Dainen priest passed away in Teiji 2(1363), thus, this portrait should have been drawn in the period of North and South dynasties. The artist was unknown, the notice written above was written by Shuntaku Eion, the son fo Motomitsu Takeda and the founder of Hosshinji.
Most of Chousou are not so brilliant coloured, but this is soft and not strong touched to show his calm personality.
Explanation 
Koujyouji
