Limited-edition opal presentation sets include solid natural black opals, crystal opals, and rough opals, and come with a Certificate of Authenticity.
Opals are Australian natural opals from lightning Ridge or Coober Pedy and weighed in gems stone jars.
Treasures Of The World also produce limited edition coin sets including
Silver bullion coins are used in these series, including Perth Mint lunar silver one ounce coins such as Kookaburra, Koala, Year of Tiger . These coin are 99.9% pure uncirculated silver and set in capsule in the display box. Some series will hold Perth mint gold Kangaroo coins.
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