The chain is vintage sterling & is 18" long. I'm sorry, I didn't realize that pics can not be posted this late! My phone has not been working properly until now, my apologies. Both pieces are marked ~ the cross is marked 925 directly in the center on the back.
**** sterling chain is 18" **** i tried to add pics, but it can not be done this late, sorry! **back of cross marked 925* **located on back in exact center