Exact age unknown, 1950s-60s.  Longer formal pair has tags with size 6, all cotton, made in Italy.  Suede like appearance, rich deep brown, 12 1/2" hem to middle finger tip.  Shorter pair's tag reads "Van Raalte All Nylon Except (illegible)" - no size, but small.  Delicate scalloped lace trim, taupe/brown, 8 3/8" trim edge to middle finger tip.