Flowing Hair Dollar
This is the photo of Flowing Hair Dollar , one of the rarest coin in world.
This was issued by the US federal government in 1794.

It was sold at price 7.85 million dollar by Steven Contursi who is the President of Rare Coin Wholesalers to the Cardinal Collection Educational Foundation of California.
.It were made similarly on the Spanish dollar ( spanish dollar was popular in America at that time).

Till now it is the most expensive coin ever sold.

Photos Of Most Expensive Dollar