Used about twice. For a large group, 4-6 people? Here's some AI search information: "It's highly likely that this is an imprint from a donabe (earthenware pot) brand called "Ginpo." Ginpo Toki is a long-established ceramic manufacturer founded in 1932, located in Yokkaichi City, Mie Prefecture, and is a Banko-yaki kiln." A simple and beautiful gray donabe, approximately 26 cm in diameter. - Color: Gray - Material: Ceramic - Type: Donabe (Japanese clay pot) - Diameter: Approximately 26 cm - Base Mark: Unmarked base with slight texture Thank you for looking.