It was given to Charles I. of England, by Cyrillus Lucaris, Patriarch of Constantinople.
In his "Origin and Progress of Writing."
"Treasures of Art in Great Britain," vol. i. p. 97.
Text to "Shaw's Illuminated Ornaments," page 4.
For a full description, with references to numerous commentators, see Westwood's "Palæographia Sacra Pictoria," cap. 49.