925 Sterling Silver Earrings.Heart-shaped wing nut closure. Finish: 925 Sterling Silver, rhodium-plated. Closure: Butterfly. Weight: 0.52 grs. 100% Nickel, lead, and cadmium free. Hypoallergenic. 925 Sterling Silver. MADE IN ITALY. All FIRENZE SILVER jewelry pieces are delicately and handcrafted in the AREZZO region. Cradle of the ETRUSCAN goldsmith tradition since the 10th century BC.c.