N.Y. Gen. Bus. Law § 229-a

§ 229-a. Marking certain articles, silver, sterling silver or solid\nsilver. Any person, firm, corporation or association who makes or sells\nor offers to sell or dispose of, or has in his or its possession, with\nintent to sell or dispose of, any article of merchandise marked, stamped\nor branded with the words "sterling" or "sterling silver," or incased or\ninclosed in any box, package, cover or wrapper, or other thing in, by or\nwith which the said article is packed, inclosed or otherwise prepared\nfor sale or disposition, having thereupon any engraving or printed\nlabel, stamp, imprint, mark or trade-mark, indicating or denoting by\nsuch marking, stamping, branding, or engraving or printing that such\narticle is silver, sterling silver or solid silver, unless nine hundred\nand twenty-five one-thousandths of the component parts of the metal of\nwhich the said article is manufactured is pure silver, is guilty of a\nmisdemeanor.\n