The Metropolitan Museum of Art 318333 portrait 15th–16th century CC0 met african-global-heritage sacred-art symbols-patterns design-assets objects-with-gravity african global heritage sacred art symbols patterns design assets objects with gravity cross ethiopian orthodox christian bronze metalwork religious iconography geometric pattern relief texture patina ancient symbol faith processional qäqwami mäsqäl 15th–16th century Amhara or Tigrinya peoples Bronze Metal-Implements African Religious African & Global Heritage Sacred & Devotional Symbols & Ornament The Maker’s Cabinet Objects with Gravity