New Jersey Statutes Title 51. Standards, Weights, Measures and Containers 51 § 1-13

Every firkin, tub or other vessel for the package of butter or cheese shall be branded in legible letters and characters by the cooper or manufacturer with his name and the actual and true weight of the firkin, tub or vessel.

A cooper or manufacturer who shall dispose of any such firkin, tub or vessel without such brand or who shall falsely brand the same shall forfeit and pay to such person as shall prosecute for the same the sum of twenty-five dollars to be recovered by action at law in any court of competent jurisdiction.