Some collection currencies can be worth millions of euros.

We invite you to discover the 10 rarest silver and gold coins in the world:

$ 1 - $ 20 Double Eagle (1849) - $ 20 million

During the beginnings of the gold rush in California, the American royal currency or United States Mint Hit this golden piece in his workshop in Philadelphia. It has a facial value of $ 20. The first gold play of $ 20 dollars double eagle of 1849 is today atSmithsonian Institute’s National Numismatic Museum.

2 - $ 15 Half Union (1877) - $ 15 million

It’s a $ 15 gold coin. We can find the Smithsonian the J-1546 model and the J-1548.

3 - $ 20 Saint Gaudens (1907) - $ 8.5 million

It is a $ 20 gold coin dating from 1907 engraved by Augustus Saint Gaudens In very high relief, with a double thickness.

the Smithsonian institute has two copies.

4 - Silver Dollar (1794) - $ 7,850,000

This piece dates from 1794. It is considered the first dollar in silver struck by the United States Mint. Also known as Flowing Hair Dollar, this is the most expensive piece owned by a private collector. It is considered extremely rare and even as a real national treasure.

5 - $ 20 Double Eagle (1933) - $ 7.59 million

This part dating from 1933 is a golden piece struck with 445,500 copies, which has never been put into circulation. Much a large part was founded by decision of the government. Some copies have been saved and exploited. It was sold $ 7.59 million during an auction in the early 2000s.

6 - Silver Dollar (1804) - $ 7.5 million

This play is known for having been offered to the sultan of Muscat in 1836 as a diplomatic gift by the American ambassador and President Andrew Jackson.

7 - $ 5 Half Eagle (1822) - $ 6 million

This rare gold coin has a facial value of $ 5. 17,796 pieces like this were struck, but only three specimens are known in the numismatic world. Two of the three are exhibited in the collection of Smithsonian Institute.

8 - 5 hundred Liberty Head (1913) - $ 4.5 million

This 5 cents piece issued in 1913 was produced in limited quantities and without the authorization and approval of the United States Mint.

Since then, only five Liberty Head have been recognized as authentic, two of which are exhibited in a museum and the other three belong to private collectors.

9 - Queen Elizabeth II million Dollar Coin (2007) - $ 4 million

This gold coin was struck by the Canadian royal currency in 2007. Its rarity is due to its manufacturing in pure gold (999.99 ‰) and its incredible weight of 100 kilos for a diameter of 53 centimeters. It represents the profile of Queen Elizabeth II, which makes it the greatest official portrait of the monarch on solid gold.

10- Le Doublon Brasher USA (from 1787) - $ 2,415,000

This gold coin made by the Ephraim Brasher goldsmith represents an eagle with the initials of its creator on its wings. Its value is due to the fact that it is considered the first American piece.