Coat of arms of Finlayson

The blazon

ar. a lion, passant, gu. on a chief az. a boar s head, couped, or, betw. two mullets, pierced, of the field. — Crest, a stag s head erased, holding in the mouth a serpent.

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.