Sterling Silver Oxidized Celtic Knot Butterfly Leverback Dangle Earrings Dangle earrings featuring a butterfly shaped Celtic knot design in oxidized sterling silver Celtic knot jewelry inspired by the interlacing and continuous designs prevalent in Celtic artwork, illuminating the interconnectedness and continuity of life Oxidized sterling silver is created through a controlled oxidation process to cause a natural tarnish. The slight tarnish is then polished to leave darkened areas in the detailing, most notably to enhance design elements Secure leverback closure Hand-crafted in pure .925 Sterling Silver; Oxidized finish added to enhance detail and depth in jewelry design Imported