Wonderful authentic antique (not reproduction) Mourning Riviere! Rare and beautiful! Set with black onyx stones, each round stone has a thin layer of enamel like substance on top - bluish gray in color! all of the stones are a little different in size and it is graduated necklace! made in yellow 9ct-10ct gold and some parts are gold fill, which is common in Victorian period). the cross tests as 14k gold. the back golden panels dissolve slowly for 10k gold. material of edges around the stones are similar to backs. all other parts are gold fill. closed backs, beautiful cross with caps! Most likely French. please see photos for sizes near ruler. in very good antique condition, only light scratches on the enamel, patina on golden parts. clasp of the old example and works well, belcher chain at the end. fast free USA priority, international also available! will arrive ready to be gifted! thank you