Tiffany Silver 925 Baby Cutlery Discontinued Apple Motif Elsa Peretti New, unused, but there is some blackening characteristic of silver due to long-term storage. It should come off with polishing. TIFFANY & CO. How to Care for Tiffany Silver Products Tiffany silver products use high-purity silver, 925/1000. Silver has the property of oxidizing and tarnishing on the surface due to substances contained in the air if left in the air for a long time, so the luster will be maintained for a long time if you care for it as follows. ① After use, wipe off sweat and dust with a dry cloth or a special cloth. ② If the discoloration cannot be removed by method ①, remove the discoloration with a special silver polishing solution. ③ If the discoloration cannot be removed by methods ① and ②, please consult a Tiffany boutique. Please note: Please avoid hot springs, seawater, and sweat, in particular.