Stela 31 was dedicated in AD 445 .
Stela 31 was depicts Siyaj Chan K'awiil II with his symbols of rulership ; his father Yax Nuun Ayiin I is depicted in three places upon the monument .
Stela 31 was dedicated in AD 445 and depicts Siyaj Chan K'awiil II with his symbols of rulership ; his father Yax Nuun Ayiin I is depicted in three places upon the monument .