 Stela 23 was broken in antiquity and was re @-@ erected in a residential complex . The defaced portrait on the monument is that of the so @-@ called " Lady of Tikal " , a daughter of Chak Tok Ich 'aak II who became queen at the age of six but never ruled in her own right , being paired with male co @-@ rulers . It dates to the early 6th century . 
