Ensemble in Op-Art black and white herringbone checkered wool

Ensemble of Op-Art black and white herringbone checkered wool. A: Shift dress; white wool jersey bodice, herringbone checkered wool mini skirt; round standing collar; cap sleeves; low waistline; skirt fabric extending into inverted keyhole insert on center front bodice; back zipper. B: Box-shaped jacket; double-breasted; hip length; high stand-up collar; 3/4-length fitted sleeves; three pairs of black plastic button closures. C: Black patent leather belt; large silver buckle; interior stamped in gold: Pierre Cardin, Paris.