Each stockholder shall be entitled to a certificate which shall be signed by the president and by the treasurer of the company, or by such other officers as may be authorized by the by-laws, shall be sealed with its seal, and shall certify the number of shares owned by him in such company.
Mass. Gen. Laws ch. 161, § 19
Stock certificates
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.