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THREE UNMOUNTED BLACK BOULDER OPALS...
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An example from the millions of items in our Price Guide:
THREE UNMOUNTED BLACK BOULDER OPALS Three cabochon cut black boulder opals, natural forms, measuring apprx. 18 mm x 8 mm, 14 mm x 10.5 mm, and 24 mm x...
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Antiques & Collectibles Price Guide
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FIVE UNMOUNTED 23.85 CT TOTAL BLACK BOUL [more like this]
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THREE UNMOUNTED BLACK BOULDER OPALS Thr [more like this]
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GROUP OF SEVEN PAIRS OF 14 KARAT YELLOW [more like this]
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WILL COLLINS PAINTING - COLORADO ROCKY M [more like this]
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A GROUP OF UNMOUNTED OPALS A group of un [more like this]
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MIXED LOT OF CASINO CHIPSDESCRIPTION: Lo [more like this]
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5.60 CTTW. LOOSE MIXED-CUT OPAL STONES, [more like this]
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GOOD FRENCH STERLING ENAMEL BOX WITH INS [more like this]
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JEWELRY: THREE 10K YELLOW GOLD RINGS: LA [more like this]
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22K Custom Designed Black Opal Ring A 22 [more like this]
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SIX UNMOUNTED MULTI-SHAPE BOULDER OPAL G [more like this]
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TWO UNMOUNTED TURQUOISE BOULDER GEMS STO [more like this]
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TWENTY-FIVE UNMOUNTED 14.07 CT TOTAL OVA [more like this]
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GROUP OF 25 UNMOUNTED OPALS, TOTAL WEIGH [more like this]
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A GROUP OF UNMOUNTED OPALS OR MOONSTONES [more like this]
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MULTIPLE UNMOUNTED 57.07 TOTAL CARAT AUS [more like this]
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A GROUP OF UNMOUNTED OPALS A group of un [more like this]
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PAIR OF BOULDER OPAL AND GOLD EARRINGSPA [more like this]
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TWO JADE BOULDERS 19TH-20TH CENTURY ???? [more like this]
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SAM SHAW 14/22K GOLD AND OPAL BRACELETSA [more like this]
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ANCESTRAL PUEBLOAN MANCOS BLACK ON WHITE [more like this]
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SMALL GROUP OF JEWELRY, INCLUDING OPAL R [more like this]
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Chinese Ming 'brown skin' celadon jade c [more like this]
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COLLECTION OF LEHMAN BACHMANN & MORE TRA [more like this]
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FOURTEEN WILLIAM HENRY JACKSON ALBUMEN S [more like this]
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ESTATE 18KT YELLOW GOLD DIAMOND BOULDER [more like this]
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AUSTRALIAN BOULDER OPAL AND FOURTEEN KAR [more like this]
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AUSTRALIAN BOULDER OPAL AND GOLD PENDANT [more like this]
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MALACHITE BOULDER ON BRUTALIST STANDThe [more like this]
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LILLIAN KENNEDY PAINTING - RHYTHM IN BLU [more like this]
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14 KARAT YELLOW GOLD AND BOULDER OPAL RI [more like this]
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LARGE CHINESE SPINACH JADE BOULDER. Larg [more like this]
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PAIR OF JEWELRY BY ETTA 14KT GOLD, BOULD [more like this]
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COLLECTION OF NINETY-SEVEN UNSET OPALSCO [more like this]
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Five pieces opal jewelry: three lady' [more like this]
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FILIGREE 14K OPAL RING: Ornate 14K yello [more like this]
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