Leo the Usurper, sometimes enumerated as Leo V or Levon V was a king of the Armenian Kingdom of Cilicia from 1362/1363 to 1365.Künker, Fritz Rudolf; Kirsch, Arne; Steinbach, Sebastian. 1000 Years of European Coinage, Part III: England, Ireland, Scotland, Spain, Portugal, Italy, Balkan, the Middle East, Crusader States, Jetons und Weights. Numismatischer Verlag Künker. pp. 340–341. It would seem that he usurped the throne immediately after Constantine III's death in 1362 but it could have started even later during Constantine IV's reign in 1363.
He came from unknown lineage and reigned for approximately 2 to 3 years before abdicating and disappearing from sources.
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