The subject of patent medicines is but little understood by the general public. Any medicine, the composition of which is kept secret, but which is advertised on the label for the cure of diseases, must in Great Britain bear a patent medicine stamp equal to about one-ninth of its face value.
face value הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד