The most expensive coin in the world is put up for auction. The rare silver dollar of 1794 issue will get a new owner. In 2013, the coin was sold for $10 million, reports CNN. The dollar is decorated with a profile of the Lady of Liberty. On the back side is a white-headed eagle, which is a heraldic symbol of the United States. The coin is the first minted dollar. In total, 1758 such coins were issued, but so far has reached about 130-140.