Emblematic illumination, or, Forms, colours, and emblems : suitable for illuminating texts of holy scripture in large style, in oils or water-colours. (1860)
Redgrave, F. M. (Frances Margaret) compiler · London : John B. Day, lithographer, printer and publisher · leaf 27
the apparent variety in what is really one and the fame Monogram. The fecond Monogram, now rarely feen, but formerly much employed in memorial infcriptions, is called the Crofs of Conftantine. It confifts of the two Greek characters, X and P. X ftands for, or is equivalent to, our CH ; P, the Greek… … himfelf and his children in gold." The above is an original example of the two Monograms combined, well fuited for illumination.
Illumination of books and manuscripts · Bible -- Illustrations
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.