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Exploring the Early Americas The Jay I. Kislak Collection
Pair of Carved Long Bones (33.5)

Mexico, Northern Veracruz (Huastec region).
Aztec, AD 1200–1500. Carved and polished bone.
Jay I. Kislak Collection, Rare Book and Special Collections Division, Library of Congress (33.5)

Pair of Carved Long Bones 

Judging by other ritual bone objects, these are probably jaguar bones. The longer bone piece depicts the profile of warriors with staffs, with a profile serpent on the bottom. The smaller bone also shows a warrior, with the lower four panels featuring the penis perforation ritual.