No person shall sell any linseed or flaxseed oil unless it is exposed for sale or sold under its true name and each original unbroken tank car, tank, barrel, keg, or vessel containing such oil has distinctly and durably marked thereon the true name of such oil as well as the name and place of business of the manufacturer thereof in ordinary bold-faced capital letters not less than 60 points in size the words “Pure Linseed Oil – Raw” or “Pure Linseed Oil – Boiled,” as the case may be.