2013 $20 Fine Silver Proof Dinosaur Coin, Bathygnathus Borealis

Item Number

513-576
2013 $20 Fine Silver Proof Dinosaur Coin, Bathygnathus Borealis
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2013 $20 Fine Silver Proof Dinosaur Coin, Bathygnathus Borealis
2013 $20 Fine Silver Proof Dinosaur Coin, Bathygnathus Borealis
2013 $20 Fine Silver Proof Dinosaur Coin, Bathygnathus Borealis
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This 2014 $20 pure silver coin is the second in the Dinosaurs of Canada series. This coin features a depiction of the Bathygnathus borealis, scientifically verified by the Royal Tyrrell Museum of Palaeontology. This mammal-like reptile bares its long, sharp teeth as its powerful, low-slung body walks. From the animal's back rises one of the key Dimetrodon features: the tall, spiny, skin-covered dorsal sail used to regulate body temperature. The reverse is engraved with the words "CANADA," the date "2013" and the face value of "20 DOLLARS", and weighs just over one full ounce of .9999 fine silver. 

The Bathygnathus borealis-found in 1845 near New London, Prince Edward Island. It wasn't until 1905 that the bone was correctly identified as part of the upper jaw of a sphenacodontid, a family of "pelycosaur-grade" mammal-like reptiles or synapsids, animals that lived from the Late Pennsylvanian to middle Permian ages. Based on similarities of the jaw bones, experts now believe that the specimen could actually belong to the sail-back Dimetrodon or a similar animal, although fossil evidence of a sail has yet to be found. If Bathygnathus was similar to Dimetrodon, the large "sail" on its back could have helped regulate its body temperature.

Despite its early misidentification, this fossil is of great scientific and historical significance-it lived between 290 and 260 million years ago, when what is now P.E.I. lay near the equator.
       
• This is a pure silver item which is GST/HST exempt
• Mintage: 8,500

Includes:
• 2013 $20 Fine Silver Proof Dinosaur Coin, Bathygnathus Borealis