Coat of arms of Muir

The blazon

ar. on a fesse az. three mullets of the first, all within a bordure, engr. gu. — Crest, a Moor s head, in profile, couped at the neck, ppr. [Certified 11th May, 1779, at the Lion- Office, Edinburgh, and at the College of Arms, London, to William Muir, Elsq.'] Mure, Same arms. — Crest, a Saracen s head, affrontee, ppr. wreathed about the temples vert.

A blazon is the description of a coat of arms in the technical language of heraldry. The drawing comes from that text, and from nothing else.