Guinomi (Sake Cup) by Kazuya Ishida.
Nb. this is a hand made piece and measurements are approximate.
Made in Japan.
Kazuya Ishida was born into a family of potters in Bizen, Japan, where he still works and lives. He's a master at the traditional unglazed high temperature-fired bizen-style, and generously shares his knowledge around the world teaching kiln building, firing and pottery making.
Read more about Kazuya Ishida.