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Pillar Coral (Dendrogyra cylindricus)...
Pillar Coral (Dendrogyra cylindricus) $1.
First coin in new "Coral Protection" series. Silver proof half ounce coin partly coloured.
Included, box, outer illustrated box, and numbered COA. Mintage: just 1,000 pcs. worldwide.
1 Item Items
Warning: Last items in stock!
|Face Value :||1 Dollar|
|Metal :||Silver .925|
|Weight :||1/2 oz|
|Size :||35.00 mm|
|Mintage :||Only 1,000 pcs. worldwide|
|Series :||Coral Protection|
|Certificate of Authenticity :||Yes|
|Original ETUI box/case :||Yes|
Corals are marine organisms in class Anthozoa of phylum Cnidaria typically living in compact colonies of many identical individual "polyps". The group includes the important reef builders that inhabit tropical oceans, which secrete calcium carbonate to form a hard skeleton.
Pillar corals (Dendrogyra cylindricus) are a type of hard coral which live in the western Atlantic Ocean. They are one of the digitate corals which resemble fingers, or a cluster of cigars, growing up from the sea floor, but without any secondary branching.Pillar corals can grow to be up to 2.5 m (8 ft) tall. They can grow on both flat and sloping sea floors at a depth of between 1 and 20 m (65 ft). They are one of the few types of hard coral whose polyps can commonly be seen feeding during the day. The coins in this series each depicting a different kind of coral. A coral reef at the background in detailed relief and a colorfull image of the coral in the front. A series of coins depicting what has long been..... but maybe will not survive the future as the corals are highly endangered.
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