Coat of arms of Launce

The blazon

or, on a fesse, indented, sa. three cinquefoils of the first on a canton of the second a lion, rampant, or. — Crest, a hand, in armour, ppr. lying fesseways, grasping a lance or, headed ar. [Granied Nove7nher 8, 1580.]

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.