https://emuseum.cornell.edu/internal/media/dispatcher/75768/fullTea bowl, Black Raku wareca. 18102 3/8 × 5 1/4 inches (6 × 13.3 cm)Glazed earthenwareGeorge and Mary Rockwell Collection88.002.0450Conical bowl with thick black glaze. Impressed Raku mark. Very good condition. A.B. 5/77Ceramics19039524399Unidentified artistJapanA tea bowl with a wide opening, or hirachawan, is often used in the summer, as a bowl with a wider brim allows tea to cool faster.Edo period (1603–1867)88.002.045_Disc0449_04495001