Niccolò di Buonaccorso is recorded as having joined the painters' guild in Siena in 1355. Two signed works by him are known. One of these is 'The Marriage of the Virgin', which is one of a series of panels, perhaps a triptych. The other is a polyptych (now fragmented) dated 1387.
Niccolò di Buonaccorso
documented 1372; died 1388