Note 040
Ancient Greek see Reiske, and Ceremoniale, p. 14, 15. Ducange has given a learned dissertation on the crowns of Constantinople, Rome, France, &c., (sur Joinville, xxv. p. 289 - 303;) but of his thirty-four models, none exactly tally with Anne's description.
The History Of The Decline And Fall Of The Roman Empire Fall In The EastChapter 53