Rising Global gold prices are giving a Midas-like boost to collectible gold coins.

The extended family of Stella McCartney, the fashion-designer daughter of former Beatle Paul McCartney, is locked in a legal battle over rights to profits from paintings by artists including Abstract Expressionist Robert Motherwell.

Three numismatic exhibits with a combined value of more than $17 million will highlight the Long Beach Coin, Stamp & Collectibles Expo, Thursday to Saturday, February 9 to 11, 2006.