Keykavus (Persian: کیکاوس) was the 30th ruler of Shirvan.
He was mentioned as "Malik" in an inscription on Pir Husayn Khanqah dated June 1294.
He hasn't left any numismatic evidence.
[1] According to disputed[2] Letters of Rashid-al-Din Hamadani, his daughter was married to Rashidaddin's eldest son Amir Ali and describes him as "the ruler of Shabaran and Shamakhi"[3] and even invited him to his estate in Fathabad.
This biography of an Iranian ruler or member of a royal family is a stub.