Coat of arms of Norfolk

The blazon

sa. on a fesse, betw. three estoiles ar. as many pellets. — Crest, out of a coronet or, a demi cock gu. wings displayed, combed and wattled or. (Another crest, a lion s head erased gu. collared and lined or, charged on the neck with a cinquefoil ar.)

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.