A Raqqa turquoise and black pottery bowl, Syria, first half of 13th century

of truncated conical form on a high foot, decorated under the glaze with a band of diagonal stripes

A comparable fragmentary piece is to be found set into the Bove Pulpit in the church of San Giovanni del Toro, Ravenna, Italy, circa 1200-1230 (see Jenkins 2006, p.184, fig. 6.13)