N.Y. Gen. Bus. Law § 229-e

§ 229-e. Marking metal placed on leather or other substances sterling\nor sterling silver. Any person, firm, corporation or association who\nmakes or sells, or offers to sell or dispose of, or has in his or its\npossession with intent to sell or dispose of, any article of merchandise\ncomprised of leather, shell, ivory, celluloid, pearl, glass, porcelain,\npottery, steel, or wood to which is applied or attached a metal mounting\nmarked, stamped or branded with the words "sterling" or "sterling\nsilver," unless said applied or attached metal mounting shall contain\nnot less than nine hundred and twenty-five one-thousandths parts of pure\nsilver, is guilty of a misdemeanor.\n