Vintage 1980s Fine Italian Silver 1.0 mm Box Chain 18 Inch Sterling Silver Stamped ITALY 925 Spring Ring Clasp UNISEX. Made in Italy. New Old Stock from a closed San Francisco Chinatown Jewelry Store. Get the Quality & Value if Yesteryear! 1.0 mm = about 1/16". Total weight 4.3 grams. See Photos for Complete Details! I will clean & polish as needed before shipping. We combine shipping! First jewelry item ships for $5.50! All additional jewelry items ship for FREE! If shipped at the same time! Please see my other Listings of Fine Vintage Asian Jewelry!