The so-called "Madrid Stela" from Palenque, Mexico. Actually a Late Classic Maya panel that was one of two supporting legs for a throne in the palace. 600-900 AD. Item 2608 in the Museum of the Americas, Madrid.
<a href="//commons.wikimedia.org/wiki/User:Simon_Burchell" title="User:Simon Burchell">Simon Burchell</a>
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<span class="int-own-work" lang="en">Own work</span>