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194: ELSA PERETTI FOR TIFFANY & CO., Amethyst and gold bar brooch < Jewels & Precious Objects, 28 May 2020 < Auctions | Rago Auctions
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Smoky Quartz, Amethyst (Parallel Growth) - RHQTZ-68 - Shaw and Esery's Quarry - USA Mineral Specimen
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131: TIFFANY & CO., Amethyst and diamond beetle ear clips < Jewels & Precious Objects, 28 May 2020 < Auctions | Rago Auctions
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