Unknown Netherlandish, ‘Plaque with the Pentecost’, ca. 1150–1175, The Metropolitan Museum of Art

made in Meuse Valley, South Netherlands
http://www.metmuseum.org/art/collection/search/470307

Image rights: The Metropolitan Museum of Art (The Cloisters Collection, 1965), licensed under CC0 1.0 Universal

About Unknown Netherlandish