diamonds-gemstones-0074 · Wikidata Q2814580
Black Star of Queensland
147 g black sapphire, discovered by 12-year-old Roy Spencer in the mid-1930s in the Reward Claim gem field near Anakie, Queensland; an oval-shaped gemstone cut as a cabochon Catalogue record “Black Star of Queensland” assigned to “Diamonds & Gemstones”. The name comes from the open Wikidata record Q2814580. Price, condition and auction timing are demonstration data.
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147 g black sapphire, discovered by 12-year-old Roy Spencer in the mid-1930s in the Reward Claim gem field near Anakie, Queensland; an oval-shaped gemstone cut as a cabochon Catalogue record “Black Star of Queensland” assigned to “Diamonds & Gemstones”. The name comes from the open Wikidata record Q2814580. Price, condition and auction timing are demonstration data.
DEMO LOT
Prices and results are demonstrations. You practise decisions, not the market valuation of this object.
Time left 1 hr 06 min · Bids 23
Object source
Wikidata Q2814580. Bidding simulation — Training only · saved on this device · no transaction.
The exercise below is a separate synthetic DEMO case.
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