The world's most famous and valuable rare coins, the $8.5 million King of Siam coin set, will be on public display in Las Vegas for the first time since the legendary coins were featured at the 1999 opening of Mandalay Bay Resort & Casino.

Did the commercial market pause to digest recent gains at the American Numismatic AssociationWorld’s Fair of Money Aug. 16-19 in Denver, or is it the beginning of a slump?

Steven L. Contursi and Rare Coin Wholesalers of Dana Point, Calif., will publicly display the King of Siam proof set Oct. 5-7 at the the Atlanta Show in Georgia.

A rare set of five silver and gold coins made in 1915 at the San Francisco Mint to commemorate that year's Panama-Pacific International Exposition will return to the Bay area for the first time in 91 years.

Steven L. Contursi dropped the $8.5 million check onto the counter last week before handing it over - just to make sure it wouldn't bounce.

Steve Contursi, holds up his rare, 1803 Draped Bust silver dollar, insured for $1 million, at the Santa Clara Coin, Stamp & Collectibles Expo, Thursday, Nov. 17, 2005, in Santa Clara, Calif.

A coin collector paid a record $8.5 million for a set of rare coins said to have been a gift from former President Andrew Jackson to the King of Siam.

Steven L. Contursi dropped the $8.5 million check onto the counter Tuesday before handing it over - just to make sure it wouldn't bounce.

A set of coins that belonged to the King of Siam, the inspiration for the musical The King and I, was sold yesterday for a record $8.5 million (£4.8 million).

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.