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Canada: 2018 $20 150th Anniversary of the Royal Astronomical Society of Canada 1 oz Silver Coin with Meteorite

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SKU:
167044
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Product Description

Canada: 2018 $20 150th Anniversary of the Royal Astronomical Society of Canada 1 oz Silver Coin with Meteorite

Design

Designed by Alexandra Lefort, your coin is a re-interpretation of The Royal Astronomical Society of Canada’s sesquicentennial logo in a scientifically accurate, photorealism art style. The original logo features stars that allude to Canadian contributions to stellar spectroscopy and photometry, and a globular cluster that honours the scientific work of Helen Sawyer Hogg and Canada’s cooperative partnerships; both are colourfully re-imagined here as the Eagle Nebula—specifically the pillars of interstellar gas and dust known as the Pillars of Creation, where the formation of new stars is a symbolic representation of the RASC’s beginnings (and by extension, its anniversary).

A fixture in RASC public outreach efforts, the Moon was chosen to represent the lunar calendars of the First Nations peoples, and the navigational astronomy that guided many European discoverers during Canada’s early history. Beneath it, the Andromeda galaxy—the nearest major galaxy to our own—is a symbolic ode to Canadian contributions to cosmology.

Blazing as it burns through Earth’s upper atmosphere, the depiction of a meteor is topped by a genuine iron meteorite fragment sourced from the Campo del Cielo meteorite fields, where the impact craters date back an estimated 4,500 years. Both the meteorite and the view of the Manicouagan crater in Quebec are a nod to the RASC’s longstanding interest in the study of planet geology, meteor dynamics and impact cratering, and to the excellence of Canadian research in these fields. Always fascinating, the space-weather phenomenon of the aurora borealis adds a “True North” flourish that a design that encapsulates 150 years of exploring the cosmos. The reverse also includes the word “CANADA”, the double commemorative dates “1868–2018”, and the face value “20 DOLLARS”. The obverse features the effigy of Her Majesty Queen Elizabeth II by Susanna Blunt.

Front and center on your coin, the extraterrestrial piece of our solar system was sourced from the Campo del Cielo meteorite field in Argentina, where a large fragment was first documented in 1576. A polycrystalline coarse octahedrite, the IA iron meteorite was recovered from one of 26 impact craters formed roughly 4,500 years ago, when a shower of metallic meteorites dispersed fragments across an area of roughly 320 square kilometres. The typical composition of a Campo del Cielo meteorite is 92.7% iron, 6.15% nickel, 0.42% cobalt, 0.37% carbon and 0.28% phosphorus.

Mintage: 5,500

Composition: 99.99% pure silver

Finish: Proof

Weight (g): 31.39

Diameter (mm): 38

Edge: Serrated

Face value: $20

Artist: Alexandra Lefort (reverse), Susanna Blunt (obverse)

Packaging: The coin is encapsulated and presented in a Royal Canadian Mint-branded maroon clamshell with a black beauty box.

 

 


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