Coat of arms of Stockwell

The blazon

ar. a lion, rampant, sa. collared or, on a chief az. a tower, triple-towered, ar. betw. two bezants, each charged with a cross, formee, gu. — Crest, against the stock of a tree, couped and leaved ppr. a lion, sejant, sa. collared or, holding betw. his paws a bezant, charged as in the Arms. [Borfie by Stockwell, Esq. of Blackheath, Kent, 1826.]

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.