2013 New York Consolidated Laws
GBS - General Business
Article 13 - (229-A - 229-J) SILVER, GOLD AND DIAMONDS
229-E - Marking metal placed on leather or other substances sterling or sterling silver.

 
    §  229-e. Marking metal placed on leather or other substances sterling
  or sterling silver.  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
  comprised of leather, shell, ivory, celluloid, pearl, glass,  porcelain,
  pottery, steel, or wood to which is applied or attached a metal mounting
  marked,  stamped  or  branded  with  the  words  "sterling" or "sterling
  silver," unless said applied or attached metal  mounting  shall  contain
  not less than nine hundred and twenty-five one-thousandths parts of pure
  silver, is guilty of a misdemeanor.