These bones were found in the same tomb at Chiapa de Corzo. The profile head of the Isthmian-style Maize God appears on both.

References:
Lowe, Gareth W. 1990. Cat. entries 22-24, in Mexico: Splendors of Thirty Centuries.
Christenson, Allen J. 1996. "Bare Bones and the Divine Rights of Kings: An Analysis of Chiapa de Corzo Carved Femurs." Master's thesis, University of Texas at Austin.
Schmidt, Peter, Mercedes de la Garza, and Enrique Nalda, eds. 1998. Maya. New York: Rizzoli.