The Metropolitan Museum of Art 318324 portrait 16th–17th century with later additions CC0 met african-global-heritage sacred-art objects-with-gravity african global heritage sacred art objects with gravity christ cross crucifixion crucifix 16th–17th century with later additions Kongo peoples; Kongo Kingdom Solid cast brass (Christ), solid cast copper alloy (halo); hollow cast bronze (three end pieces), brass sheet (one end piece), solid cast copper alloy (Mary); forged copper and brass (nails), wood Metal-Sculpture Religious African & Global Heritage Sacred & Devotional Objects with Gravity