Kʼan Ahk I, also known as Ruler A was a king of the Mayan city of Piedras Nigras. He is also known as Turtleshell.Piedras Negras Ruler A at Mesoweb
He reigned c. 460. It seems that he was captured.Piedras Negras Ruler A
His name combines the distinctive knotted headdress of God N with that aged earth deity's turtle shell and kʼan ("yellow/precious") marking; altogether it is probably read as itzamkʼanahk.Piedras Negras Ruler A
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