An old dagger made from what looks like chipped stone. The handle looks like a man wearing an eagle headdress. It's adorned with colourful shells and stones. No metal materials.
If you search for a dagger with eagle headdress, you come up with this article.
An Aztec sacrifical ceremonial knife.
From the article: The people and culture we know as "Aztec" referred to themselves as the Mexica (pronounced 'Mé-shee-ka').
Fly to Mexico City.