Nothing like this actually survived the conquistadores, but in Luke's collection this would be a gold-plated 'museum reproduction'.
Based on the 'Smoking Mirror' of the Aztec god Tezcatlipoca. He's an immensely complex deity with multiple faces and attributes: warrior, trickster, seducer, confessor. The Spanish friars believed he was Lucifer incarnate...
OH! she lives! Good to see something from you! I'm always fascinated by Aztec and Mayan stories art and info, it's a portion of mythology I don't know much about. I think it's the names, they're intimidating.
No, Nahuatl names aren't easy for English speakers! I'm just starting to get a tenuous grip on them, but I usually need a crib sheet. Especially when a god has easily twenty or thirty different aspects or epithets to keep track of...