Sterling silver dolphin necklace

Marked 925 and Italy in the clasp. Marked "sterling" on the bottom of the pendant. The pendant is on a thin box chain. Adorable dolphins adorn each side of the iridescent black marble (I'm not sure what the sphere is, but I'm pretty sure it's not a pearl). The marble rotates, and one side is scratched, but it is not visible, especially since you can rotate the marble to show a smooth side. Perfect for everyday wear.