This beautiful 925 Sterling Silver and Gold Plate Intertwined 4 mm Rope Chain Necklace is 27” Long. It weighs 21.54 grams. It was made in Italy by IBB, the International Bullion and Metal Brokers. A combination of these three marks, Made in Italy, 925 and IBB is a good indicator that the piece is made of high quality silver and was crafted by a reputable jewelry manufacturer.