In accordance with the Klētorologion of 899, the Byzantine caesar's insignia were being a crown and not using a cross, plus the ceremony of a caesar's creation (in this case relationship to Constantine V), is A part of De Ceremoniis I.43.[15] The title remained the best from the imperial hierarchy https://alexis5mg71.eedblog.com/28950595/not-known-factual-statements-about-caisar