2019 Western Hemisphere 1626 a new map of the world 1 oz pure silver. WESTERN HEMISPHERE – 1626 A NEW MAP OF THE WORLD – 2019 1 oz Pure Silver Domed Proof Coin – Royal Australian Mint. The second and final release of the two-coin Proof Silver Terrestrial Dome series by the Royal Australian Mint is concluded with a 1626 map of the Western Hemisphere, illustrating a work of art from the Age of Discovery. Century explorations by famous explorers during this era paved the way for the world as it is today. The new found lands during this Age of Discovery are commemorated in beautiful detail on this Proof Silver domed coin, based on historic and rare maps of the period. Metal: 999 Fine Silver Finish: Proof Diameter: 39.62 mm Features: Curved (Domed) Denomination. AUD Year of Issue: 2019 Mintage: 5000 Weight: 1 oz. Credit / debit card.