Iowa Code § 556E.8
Any person making for sale, selling, or offering to sell or dispose of, or having in possession with intent to sell or dispose of, any article of merchandise made in whole or in part of inferior metal having deposited or plated thereon, or brazed or otherwise affixed thereto, a plate, plating, covering, or sheet of silver or of any alloy of silver, and which article is known in the market as "silver-plate" or "silver-electroplate", or by any similar designation, and having stamped, branded, engraved, or imprinted thereon, or upon any tag, card, or label attached thereto, or upon any container in which said article is encased or enclosed, the word "sterling" or the word "coin" either alone or in conjunction with any other words or marks, is guilty of a fraudulent practice.
Iowa Code § 556E.8