Coat of arms of Clerke

The blazon

chequy, ar. and az. two chev. gu. on a canton or, an anchor sa.— Crest, out of a naval coronet or, a moor s head ppr. [Granted May 25, 1761.]

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.