SIGNED WATAYA ZO EIRAKU, MEIJI PERIOD (LATE 19TH CENTURY)

The Eiraku mark was used by Kato Gorohachi working in the Hinno kiln of Aichi Prefecture, whose work this could be. Wataya Heihachi was a merchant originally of Kutani in Ishikawa Prefecture (formerly Kaga Province). The first generation died in 1885, but his son and then grandson continued the company.