Coat of arms of Northage

The blazon

ar. on a bend sa. three martlets or. — Crest, a stag s head and neck, affrontee ppr. {Borne by William Northage, Esq. of Upper Goioer-street, London, 1825.]

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.