Elegant Tiffany & Co. heart-shaped earrings in silver. Authentic Vintage Please Return to Tiffany & Co. New York 925 Classic Sterling Silver Heart Stud Earrings. Backs stamped ‘T & Co. AG 925’. This pair of sterling silver Tiffany & Co stud earrings read "Please return to Tiffany & Co New York 925". They measure 10mm in length and 9.5mm in height, weighing 2.1 grams together with posts and backs. Excellent Vintage Condition! No scuffs, scratches or nicks! Thanks for looking!!