Late Classic Maya bowl.  This is a Tabi Gouged and Incised vessel from Yaxuna.  It dates to the Terminal Classic 600-900 A.D., and was recovered from Burial 6. Item 85/1/182 in the Museum of the Americas, Madrid.
<a href="//commons.wikimedia.org/wiki/User:Simon_Burchell" title="User:Simon Burchell">Simon Burchell</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>