aforesaid, which are found in his or her possession shall be forfeited to the Government. (2) For the purposes of this section, a stamp purporting to denote a rate of postage of any country is to be taken to be a stamp used for postal purposes in that country until the contrary is shown. CHAPTER XXXVII—COUNTERFEITING TRADEMARKS. 377. Trademarks defined. A trademark is— (a) a mark lawfully used by any person to denote any chattel to be an article or thing of the manufacture, workmanship, production or merchandise of such person or to be an article or thing of any peculiar or particular description made or sold by such person; (b) any mark or sign which in pursuance of any law in force for the time being relating to registered designs is to be put or placed upon or attached to any chattel or article during the existence or continuance of any copyright or other sole right acquired under such law. 378. Counterfeiting trademarks. Any person who with intent to defraud or to enable another to defraud any person does any of the following things— (a) forges or counterfeits any trademark; (b) applies any trademark, or any forged or counterfeit trademark, to any chattel or article not being the merchandise of any person whose trademark is so forged or counterfeited; (c) applies any trademark or any forged or counterfeit trademark to any chattel or article not being the particular or peculiar description of merchandise denoted or intended to be denoted by such trademark or by such forged or counterfeit trademark; (d) applies any trademark or any forged or counterfeit trademark to anything intended for any purpose of trade or manufacture, or in, on or with which any chattel or article is intended to be sold, or is sold or offered or exposed for sale; (e) encloses or places any chattel or article in, upon, under or with anything to which any trademark has been falsely applied, or to which any forged or counterfeit trademark has been applied;