BSK costume jewelry necklace collectable

This is a signed BSK costume jewelry necklace it is a collectible Piece. it has a fantastic black and white Art Deco design to it I'm pretty sure it's from the 19 fifties the adjustable chain is a white beaded chain all of the glue on paste parts are intact and in great condition the only we're visible is to the back of the necklace on the silver coated pieces normal vintage wear