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31322 - Art Deco Platinum Gold Diamond Black Onyx Cuff Links

54057 - Circa 1960s Van Cleef & Arpels X Gold Onyx Dangle Drop Earrings

31115 - Art Deco Tiffany Garrigus & Company Platinum Gold Black Onyx Pearl 5 Piece Gents Set

30789 - Art Deco Carrington & Co Platinum Gold Onyx Diamond Gents Set