The Coronation of the Virgin by Niccolò di Buonaccorso https://www.rawpixel.com/image/9185458/image-diamond-pattern-coronation-virgin-christian-patternsFree Image from public domain license
The Lamentation over the Dead Christ, workshop of Niccolò di Buonaccorso https://www.rawpixel.com/image/9185703/image-siena-dead-people-photos-1370Free Image from public domain license