OFFERED ... a pair of vintage 1970's clip earrings by Pierre Cardin; signed "CARDIN" on the back of each earring, also with "©".  The earrings are bold and modernist in style, comprised of a large square black lucite cabochon placed on a bright, smooth, silver tone base with angular E-shaped side supports that hold the cabochon in place.  The back side of the earrings has a textured finish.  What might appear as imperfections are just photographic reflections.  The earrings measure 1 1/4" x 3/4"; black cabochon measures 3/4" square.  They are in very good pre-owned vintage condition.