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ICHTHYOSAUR Triassic Period 1 Oz Silver Coin 500 Togrog Mongolia 2017

ICHTHYOSAUR Triassic Period 1 Oz Silver Coin 500 Togrog Mongolia 2017

US $179.99
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201913
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Description

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Evolution of Life 

This incredible 1 Oz Silver coin is the third release in the amazing “Evolution of Life” series, dedicated to the world’s ancestors. In this edition, the aquatic reptile Ichthyosaurus. The coin is plated in Rose Gold, features the Smartminting technology

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Ichthyosauria
Ichthyosaurs are large marine reptiles. Ichthyosaurs belong to the order known as Ichthyosauria or Ichthyopterygia (fish flippers – a designation introduced by Sir Richard Owen in 1840, although the term is now used more for the parent clade of the Ichthyosauria). Ichthyosaurs thrived during much of the Mesozoic era; based on fossil evidence, they first appeared approximately 250 million years ago (mya) and at least one species survived until about 90 million years ago, into the Late Cretaceous. During the early Triassic Period, ichthyosaurs evolved from a group of unidentified land reptiles that returned to the sea, in a development parallel to that of the ancestors of modern-day dolphins and whales, which they gradually came to resemble in a case of convergent evolution. They were particularly abundant in the later Triassic and early Jurassic Period, until they were replaced as the top aquatic predators by another marine reptilian group, the Plesiosauria, in the later Jurassic and Cretaceous Period. In the Late Cretaceous, ichthyosaurs became extinct for unknown reasons.
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Country
Mongolia
Year of Issue
2017
Denomination
500 Togrog
Metal
Silver
Fineness 
999/1000
Mintage (pcs)
999
Weight (g)
1 oz
Diameter (mm)
38.61 mm
Quality
Antique Finish
Certificate of Authenticity Yes
Package type  Box
Special Features

Smartminting technology with plated in Rose Gold

 Generated button REWARD POINTS:  Earn 180  Dazzling Point with our loyalty program; to be converted into a voucher for a future purchase.