Detailed painting

The Detailed Painting (commonly known as Rooster and Hen with Hydrangeas in the real world) is a painting first introduced in. One of Itō Jakuchū's most ambitious endeavors, and therefore most famous works. Begun around 1757 and not finished until 1765, the Pictures are a set of twenty-seven hanging scrolls created as a personal offering to the Shōkoku-ji temple. They depict a number of animal subjects in monumental scale and with an according degree of detail.

Authenticity
If the flowers are purple and no stamps on the left, then it is the forgery.