The Metropolitan Museum of Art 453653 portrait 810–1010 CC0 met african-global-heritage sacred-art symbols-patterns landscapes objects-with-gravity african global heritage sacred art symbols patterns objects with gravity ivory carving christian art orthodox icon christ pantocrator religious art ethiopia medieval byzantine monastic gold leaf pale beige seated figure symbolism religious iconography tusk fragment christ enthroned 810–1010 Egypt Ivory; carved Ivories and Bone African Religious African & Global Heritage Sacred & Devotional Symbols & Ornament Horizons & Places Objects with Gravity