This is a vintage Japanese pottery tea bowl of Hagi ware, which was made by the great potter, the 14th Shinbei Sakakura (1917-1975) about 60 years ago.
The glaze has a variaton of light red and grayish colors, intermitted by golden lines of the kintsugi.
He was one of the greatest potters of Hagi ware, who was identified as an important human cultural treasure of Yamaguchi prefecutre, Japan in 1972.
The seal of the potter is stamped on the bottom.
This tea bowl has a fine kintsugi (gold repair), which makes it unique, more sophisticated and valuable.
The original wooden box with the signature of the potter is also included.
Size: dia. max. 4.9-5.1"(12.5-13.0 cm) x height 3.2"(8.2 cm).