12/31/2013 12:40 pm ET Updated Mar 02, 2014

82nd & Fifth: FACE by Joanne Pillsbury

The eyes and mouth of this mask were likely inlaid with shells, which would have given the piece a more lifelike appearance in antiquity. "Being able to recognize a face is one of those fundamental survival skills," says curator Joanne Pillsbury.

Get a complete, 360-degree view of this Olmec jadeite mask.