A gold coin made by Perth Mint in Australia on display in front of the New York Stock Exchange on Wall Street in New York City on Tuesday, July 16, 2019 for the launch of the Perth Mint Physical Gold Exchange Traded Fund. [Photo: VCG/Getty Editorial/Bloomberg]"

The world's largest gold coin on display outside the New York Stock Exchange on Wall Street in New York City on Tuesday, July 16, 2019. The 1,012-kilogram, 80-centimeter-wide, 13-centimeter-thick coin with a kangaroo on its side was recognized as the world largest gold coin by the Guinness Book of Records in 2012. [Photo: VCG/Reuters/Brendan Mcdermid]"

Richard Hayes, the chief executive officer of the Perth Mint, center, rings the closing bell during the launch of the Perth Mint Physical Gold Exchange Traded Fund at the New York Stock Exchange on Wall Street in New York City on Tuesday, July 16, 2019. [Photo: VCG/Getty Editorial/Bloomberg]"

A woman taking photos with the gold coin outside the New York Stock Exchange on Wall Street in New York City on Tuesday, July 16, 2019. The profile of Queen Elizabeth II is printed on the other side of the coin, which has been packed away and is on its way back to Australia. [Photo: VCG/Reuters/Brendan Mcdermid]"