The 1794 Flowing Hair dollar that recently generated a world record price for a coin sold in a public auction is an example of how a combination of factors including individuals with decades each of numismatic knowledge and experience, continuing research, one-on-one consensus building and astute marketing helped a coin jump from $264,000 in 1984 to over $10 million 29 years later.

A rare 1794 American silver coin possibly touched by George Washington, Thomas Jefferson and Alexander Hamilton was sold Thursday night by an Irvine auction house for a record-breaking $10 million. The coin was previously sold by Steven Contursi of RCW Financial, for a world record $7.85 million.

Steven L. Contursi, who has owned a mint-condition 1794 Liberty dollar for the past seven years, confirmed Thursday that he sold it to the Cardinal Collection Educational Foundation of Sunnyvale for $7.85 million - setting the new world record for the Most Expensive Coin.

The legendary Brasher Doubloon, made in 1787 by George Washington's New York City neighbor, has been sold for a record price by Steven L. Contursi, President of Rare Coin Wholesalers in Irvine, California. A Wall Street investment company subsequently paid nearly $7.4 million for the historic gold coin.

The legendary Brasher Doubloon, made in 1787 by George Washington's New York City neighbor, has been sold for a record price by Steven L. Contursi, President of Rare Coin Wholesalers in Irvine, California.

What may be America's oldest silver dollar has become the world's most expensive coin, with its owner saying it changed hands in a private transaction between coin collectors for nearly $8 million.

A record price of $1.5 million has been set by a private treaty sale of a rainbow-toned 1792 half disme, graded NGC MS-68.

The King of Siam set has traveled from the hands of royalty to the descendants of a British governess to the world of rare-coin collecting.

Steve Contursi, who along with Donald Kagin purchased the unique 1787 Brasher doubloon with "EB" countermark on the breast for $2.99 million in January, has announced that the coin will be displayed at several shows across the country.