Coat of arms of Lister

The blazon

erm. on a fesse, cottised, sa. three mullets or. — Crest, a stag s head, erased, per fesse, ppr. and or, attired of the last. [ Granted to Edward Lister, of London, M.D. April 20, 1602.]

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.