It shall be an unlawful trade practice for any person engaged in selling goods, wares or merchandise to individual consumers to sell or offer for sale any goods, wares or merchandise under corporate or trade names which carry or which trade under or which in any way use, in dealing with the public, directly or indirectly, any name which by reason of the inclusion of the words "unclaimed freight" has a tendency to lead the purchasing public to believe that the goods, wares or merchandise offered for sale are in fact unclaimed goods offered for sale by common carriers or authorized agents thereof: Provided, however, That this section shall not apply to any person if all goods, wares or merchandise sold or offered for sale are in fact unclaimed freight.