Out of a coronet of a king of arms proper 3 ostrich feathers argent.
Escutcheon
Argent, on a chevron cotised sable 3 crescents or.[3]
Motto
Crescam ut Prosim
Previous versions
(1) As Bluemantle: Argent, on a chevron sable 3 crescents or. Crest: From a crown 3 ostrich feathers. (2) As Richmond, granted 1891: Argent, on a chevron double cotised sable 3 crescents or. Crest: From a torse 3 ostrich feathers argent stuck through 3 annulets or interlaced in fess.
^Blackmansbury. Pinhorns. 1967. p. 54. Retrieved 24 May 2021. Charles Harold Athill, MVO, FSA (1853–1922) was Clarenceux King of Arms from 1919 until his death.