A carved panel with a (defaced) Buddha on one side and an Islamic Mihrab on the other.
Buddha Date: AD 900s
Mihrab Date: 1400s
Found in East India. Now located in The British Museum.
Photos taken November 2018 with a Sony a6000 and processed in Agisoft Photoscan.
https://www.britishmuseum.org/research/collection_online/collection_object_details.aspx?objectId=182232&partId=1