Coat of arms of Smirke

The blazon

erm. three bends gu. — Crest, on an antique steel helmet, mantled, as the Arms, fringed and tasselled or, a wreath of its colour encircling the headpiece, thereon a falcon, wings addorsed, and distended, preying on a serpent, all ppr. [Borwe by Robert Smirke, E q. 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.