Olmec mask (Olmec-style mask), c. 1200 - 400 B.C.E., jadeite, 4 x 3-3/8 x 1-1/4 inches found in offering 20 buried c. 1470 C.E. at the Aztec Templo Mayor (Museo del Templo Mayor, Mexico City) Speakers: Dr. Lauren Kilroy-Ewbank and Dr. Steven Zucker Items buried in offerings included ceramic vessels, stone sculptures, obsidian blades, seashells, greenstone, and objects gathered from earlier local
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