This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Sano di Pietro . Artwork Creator Sano di Pietro particolare di Madonna col Bambino Angeli Santi century painting cm Pinacoteca Nazionale di Siena object history credit line accession number centrostudicateriniani it html PDold Paintings of Saint Catherine of Siena Paintings by Sano di Pietro in the Pinacoteca Nazionale Siena Files