Lead seal of Constantine, showing him in imperial regalia, and mentioning his titles of Despot and porphyrogennetos
Constantine Doukas Komnenos Palaiologos (Ancient Greek: Κωνσταντῖνος Δούκας Κομνηνός Παλαιολόγος; 1278/81–1334/35) was a Byzantine prince of the Palaiologos dynasty, who received the supreme title of Despot and served as provincial governor.