Coat of arms of Sharpey

The blazon

ar. on a bend az. three spears heads of the field. — Crest, a hand and arm, couped at the elbow, habited, az. with three puffs (or slashes) ar. holding in the hand three spears, two in saltier, and one in pale, headed of the second, staffs or. [Granted 1595.]

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.