Coat of arms of Ballow

The blazon

az. an estoile of eight points or, betw. three keys erect ar. — Crest, two arms embowed, habited sa. cuffs turned up ar. the hands conjoined ppr. holding an estoile of eight points or. [Granted, to Henry Ballow, July 8, 1709.]

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.