Antique Japanese tea bowl made by Sen Sosa VI, Kakukakusai Genso (1678-1730) who was the 6th Iemoto of Omotesenke school.
There is the "Fu-niko" mark and the inscription which says "with Shigaraki sand soil".
A museum quality masterpiece made by the head of one of the main tea ceremony school in Japan.
Kakukakusai Genso, the son of Soei Hisada, was adopted by the 5th generation Zuiryusai Ryokyu, and inherited the Iemoto title of Grand Master of Omotesenke tea ceremony school.
He served Tokugawa Yoshimune (1684-1751) who was the eighth shogun of the Tokugawa shogunate of Japan, ruling from 1716 until his abdication in 1745.
His three children are Joshinsai (7th generation Iemoto of Omotesenke), Saisaisai (7th generation Iemoto of Urasenke), and Yugensai (8th generation Iemoto of Urasenke).
There are natural cracks occurred during firing.
There is a small repair on the inner side.
Please see the photos for reference.
Supplied with old wooden box.