Vintage Swank Silver Tone Mother of Pearl Tuxedo Shirt Studs Set of 3

Vintage SWANK set of three tuxedo shirt studs featuring luminous mother-of-pearl shell inlays and polished silver-tone bar backs.  The lot includes two softly squared studs and one round stud. The round piece is signed SWANK on the reverse. Each mother-of-pearl insert displays natural gray, white and silvery iridescence that changes beautifully in the light.  Designed to pass through the buttonholes of a tuxedo or formal dress shirt. Ideal for weddings, black-tie events, prom, theatrical costuming, vintage formalwear, or replacing missing shirt studs.  DETAILS  Brand: SWANK Quantity: Set of 3 Design: Two square fronts and one round front Material: Mother-of-pearl shell and silver-tone metal Era: Approximately 1950s–1970s Style: Mid-century formalwear Occasion: Wedding, black tie, prom or formal event  MEASUREMENTS  Approximately 1 1/4–1 3/8 inches long Decorative fronts measure approximately 3/8 inch across  Please see the quarter in the photographs for scale.  CONDITION  Good vintage pre-owned condition with light scratches, surface wear and age-related patina. Natural variations are present in the mother-of-pearl inserts. Two fronts are square and one is round, so the pieces are coordinated but not identical.  Only the round stud is visibly marked SWANK. No sterling-silver hallmark was found; the metal is described as silver tone.  Please review all photographs carefully for condition and details.