The inscription on the box reads: Idowaki.
Idowaki is category of Korean tea bowls.
the name literally means "marginal Ido".
Tea bowls in this category bear a stylistic
resemblance to "true" Ido type tea bowls,
the the shape and place of production are
different. (Chanoyu Vocabulary, Kyoto 2007).
Box with inscription
On mended ceramics, see: Flickwerk. The Aesthetics
of Mended Japanese Ceramics, Exhibition Catalogue,
Cornell University, Herbert F. Johnson Museum of
Art and Museum für Lackkunst, 2008
Japan, 18th century
Diameter 16.8 (6 1/2 in.)
Height 5.3 cm (2 in.)