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in Vintage & Antique Gemstones, Jewellery and Obects D'Art

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in Gem-A (The Gemmological Association of Great Britain)

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in SSEF: Swiss Gemmological Institute

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in TUCSON GEM SHOW 2022 SPECIAL SECTION

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in Upcoming Shows & Events

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in Appraiser's Corner

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in SSEF: Swiss Gemmological Institute

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