Segna di Bonaventura, also known as Segna de Bonaventura, and as Segna di Buonaventura, was an Italian painter of the Sienese School. He was active from about 1298 to 1331. In 1306 he painted a panel for the office of the Biccherna in the Palazzo Pubblico in Siena. In 1317 he painted an altar panel for the convent of Lecceto (near Siena). In 1319 h...