Another pair of dainty, beautiful authentic Tiffany & Co. Sterling silver twist wire knot stud earrings Marked Tiffany & Co. AG 925 and tested using a metal analyzer machine Weighs 2.9 grams My boss invested in many pairs of these earrings and they have passed authentication on another site too! :) *Does not come with original packaging! This is for staging purposes only! Thank you! :)*