Each cask of wrought, cut or wire nails or brads shall be marked or branded on the head by the manufacturer, in plain, legible letters in the English language, with his name and the net weight of the contents of the cask.
Mass. Gen. Laws ch. 94, § 279
Marking or branding of cask of nails or brads
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.