Coin Highlights
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Grade: NGC PF70 Ultra Cameo – pristine gem proof with deep contrast.
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Gold Content: 2 troy ounces of .9999 fine gold (note: pink color achieved by alloying with copper)
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Special Feature: A genuine Argyle Pink Diamond (0.035–0.040 carats) is inlaid near the horizon—a rare fusion of precious metal and gemstone
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Design & Relief: Features a high-relief boab tree set in the striking Kimberley landscape at sunset. Struck on concave planchets to enhance metal flow and sculptural detail
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Obverse: Displays the Ian Rank‑Broadley portrait of Queen Elizabeth II, along with the $500 denomination.
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Mintage: Exceptionally limited—only 500 coins were issued worldwide
Why This Coin Is Highly Coveted
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Limited Edition – With only 500 minted, this coin is rare even in modern commemorative bullion releases.
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Ultra Gem Condition – Achieving PF70 Ultra Cameo on a heavy, high-relief gold coin is exceedingly rare and showcases exceptional quality and preservation.
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Unique Gemstone Integration – The Argyle pink diamond not only enhances its appeal but also links it to Australia’s famous diamond heritage.
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Sculptural Artistry – The concave high-relief design elevates it beyond a coin to a miniature work of art.









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