This piece is marked 875 and with a Hammer and sickle inside a star. Russian silver made after 1958 was marked in this fashion. A 1 3/4'' x 1'' pendant is suspended on a 24'' endless chain. The pendant is set with a blue glass stone in a heavenly shade of blue. A frame of ''c'''s surround the stone. This piece is in excellent condition. Free shipping to the USA.