met-medieval-art: Head of a Man Wearing a Cap or Helmet, Metropolitan Museum of Art: Medieval ArtGif
met-medieval-art:Head of a Man Wearing a Cap or Helmet, Metropolitan Museum of Art: Medieval ArtGift of Torkom Demirjian, in honor of Mary and Michael Jaharis, 2000Metropolitan Museum of Art, New York, NYMedium: Fossiliferous limestone -- source link