Massachusetts General Laws Part IV. Crimes, Punishments and Proceedings in Criminal Cases (Ch. 263-280) Ch. 266, § 128

Whoever, without the consent of the owner thereof, knowingly and wilfully effaces, alters or covers over, or procures to be effaced, altered or covered over, the name, initial or device of any dealer in milk, marked or stamped upon a milk can, or whoever, with intent to defraud and without such consent, detains or uses in his business any such can having the name, initial or device of any dealer in milk so marked or stamped thereon, shall be punished by a fine of not more than ten dollars.