Tiffany Co. Vintage 5.0mm Onyx Charm hardware Ring Sterling Silver 5.6g s7 JR545

Fun and dainty Tiffany & Co. sterling silver hardware earrings. It has a 3.0mm natural Onyx hardware bead dangle in the ring band. The band is 5.0mm wide, ring size 7, weight 5.6 grams, hallmark Tiffany. 
It comes with an original blue box