Worcester Armorial Cake Plate Hand-Painted w Crest & Motto “Steadfast in Honour”

This large George IV armorial cake plate was made in the Flight Barr and Barr Worcester factory circa 1820.
The plate was made to serve cakes and other sweets. The colors are exquisite. A ring of hand-painted flowers fills the border encircling the crest and motto at the center of the plate.
The plate has wonderful provenance and motto.
Provenance:
In the center of the plate is the coat of arms of the Family of Colegrave. Its motto: Fidei Constans [Steadfast in Honour]
Given the date of the manufacture of this plate, it undoubtedly formed part of a more extensive suite of porcelain that was commissioned from Flight Barr and Barr Worcester by William Colegrave (born 24th February 1788 of Downsell Hall and Cann Hall in the County of Essex). William became the eventual heir to his uncle, John Manby.
He then assumed the surname and arms of Colegrave by Royal Licence dated 16th February 1819.
The arms may be blazoned as follows:
Crest: An ostrich feather erect azure and two arrows in saltire Or
barbed and flighted argent banded by mural crown gules

Dimensions: The plate is raised 1.5″ off the table. The diameter is 11.5″.

Condition: Excellent