Nativity, detail from Antependium of St Peter Enthroned by Guido da Siena (circa 1250 -1300), tempera and gold on wood, 100×141 cm, circa 1280.
Nativity, detail from Antependium of St Peter Enthroned by Guido da Siena (circa 1250 -1300), tempera and gold on wood, 100×141 cm, circa 1280.
AC studies 