N.Y. Gen. Bus. Law § 229-B
Any person, firm, corporation or association who makes or sells, or offers to sell or dispose of, or has in his or its possession with intent to sell or dispose of, any article of merchandise marked, stamped or branded with the words "coin" or "coin silver," or incased or inclosed in any box, package, cover or wrapper, or other thing in, by or with which the said article is packed, inclosed or otherwise prepared for sale or disposition, having thereupon any engraving or printed label, stamp, imprint, mark or trade-mark, indicating or denoting by such marking, stamping, branding, engraving or printing that such article is coin or coin silver, unless nine hundred one thousandths parts of the component parts of the metal of which the said article is manufactured is pure silver, is guilty of a misdemeanor.
N.Y. Gen. Bus. Law § 229-B