Altarpiece of St Barbara in the Cistercian Monastery in Osek [left wing]: St Peter [recto], St Roche [verso]Master IW
Altarpiece of St Barbara in the Cistercian Monastery in Osek [central panel]: Beheading of St BarbaraMaster IW
Altarpiece of St Barbara in the Cistercian Monastery in Osek [right wing]: St Paul [recto], St Sebastian [verso]Master IW
![Altarpiece of St Barbara in the Cistercian Monastery in Osek [left wing]: St Peter [recto], St Roche [verso] — Master IW](https://commons.wikimedia.org/wiki/Special:FilePath/Oseck%C3%BD%20olt%C3%A1%C5%99%2C%20Sv.%20Petr%20%28lev%C3%A9%20k%C5%99%C3%ADdlo%29%2C%20Monogramista%20IW%20-%20Severn%C3%AD%20%C4%8Cechy%20%28po%201546%29%2C%20N%C3%A1rodn%C3%AD%20galerie%20v%20Praze%2C%20inv.%20%C4%8D.%20DO%205426%20-%20DO%205428.jpg?width=3840)
![Altarpiece of St Barbara in the Cistercian Monastery in Osek [central panel]: Beheading of St Barbara — Master IW](https://commons.wikimedia.org/wiki/Special:FilePath/Oseck%C3%BD%20olt%C3%A1%C5%99%2C%20St%C4%9Bt%C3%AD%20sv.%20Barbory%20%E2%80%93%20st%C5%99ed%2C%20Monogramista%20IW%20-%20Severn%C3%AD%20%C4%8Cechy%20%28po%201546%29%2C%20N%C3%A1rodn%C3%AD%20galerie%20v%20Praze%2C%20inv.%20%C4%8D.%20DO%205426%20-%20DO%205428.jpg?width=3840)
![Altarpiece of St Barbara in the Cistercian Monastery in Osek [right wing]: St Paul [recto], St Sebastian [verso] — Master IW](https://commons.wikimedia.org/wiki/Special:FilePath/Oseck%C3%BD%20olt%C3%A1%C5%99%2C%20sv.%20Pavel%20%28prav%C3%A9%20k%C5%99%C3%ADdlo%29%2C%20Monogramista%20IW%20-%20Severn%C3%AD%20%C4%8Cechy%20%28po%201546%29%2C%20N%C3%A1rodn%C3%AD%20galerie%20v%20Praze%2C%20inv.%20%C4%8D.%20DO%205426%20-%20DO%205428.jpg?width=3840)