925 Italy Gold-Tone Stardust Ball Necklace 5.7g sterling silver Signed, tested

925 sterling silver with a gold-tone finish. Approx. 5.7 grams total weight. Double stranded chain with stardust finish round bead pendant. Approx. 16" length with lobster claw clasp. Has been acid tested. Is signed with a maker's mark that I can't make out. (Looks to me like a C with a diamond next to it.) Also stamped 925 and Italy. Pre-owned item, may have signs of wear such as surface scratches and discoloration. Please see all photos. Inv: r1