Relief portrait of an unknown emperor

Probably by Gregorio di Lorenzo (c.1436–1504) Italy, Florence, c.1470 –1504 White marble, carved and polished From the collection of Martin and Katharine Brunt. Accepted by HM Government in Lieu of Inheritance Tax and allocated to the Fitzwilliam, 2021. M.1-2021 https://data.fitzmuseum.cam,ac.uk/id/object/288396 Created using an Artec Leo, scanned under natural light in the Antiquities Workshop of the Fitzwilliam Museum by Vicky Avery and Daniel Pett ( 12/7/2021), processed from 8 individual scans using Artec Studio 15. Scan data - 12GB Source: Objaverse 1.0 / Sketchfab