Nightside Pick: World's Largest Coin

By WEEK Producer

October 28, 2011 Updated Oct 26, 2013 at 2:08 AM CDT

Perth, Australia -- The largest and most valuable gold coin in the world was unveiled Friday at Australia's Perth Mint.

The coin weighs just over one ton and is 99.9% pure gold. A team of a dozen people worked on the coin for the better part of a year and a half.

The coin is valued at around $56.6 million.

It measures two-feet, seven-and-a-half inches wide and four and three-quarters inches deep.

The coin has a kangaroo on one side and an image of Queen Elizabeth the second on the other.

It was finished just in time for a visit by the Queen....