2019 1oz 99.9% Silver Proof Domed Coin 1812 New Map of the World LOW number 132 October 29, 2024 admin 2019 1oz 99.9% Silver Proof Domed Coin 1812 New Map of the World LOW number 132 of 5000. The Royal Australian Mint released this second coin in the New Map of the World series the 1626 map by famous English cartographer John Speed.