Panel 3 at Cancuén with the picture of Tajal Chan Ahk
Tajal Chan Ahk, also T'ah 'ak' Cha'an, ruled the Maya city Cancuén from 757 to ca. 799.
References
Demarest, Arthur A. (2006). The Petexbatun Regional Archaeological Project: A Multidisciplinary Study of the Maya Collapse. Vanderbilt Institute of Mesoamerican Archaeology series, vol. 1. Nashville, TN: Vanderbilt University Press. ISBN978-0-8265-1520-9. OCLC63178772.