This is a marvelous sterling silver necklace. It contains two components. The first is an open-work rectangular link. The second is a pair of oval links which are joined together and each side has a moveable bead inside which is shaped like a barbell. The necklace is 28 1/2" long and unmarked. It tests for sterling silver. There is a secure clasp and necklace is in excellent condition. It may be handmade so possibly one of a kind. It weighs abut 70 grams.