Alongside Charles on the new stamp collection are Kevin Keegan, Bobby Charlton, Bryan Robson, John Barnes, Gordon Banks, Jimmy Greaves, Denis Law, Dave Mackay, Bobby Moore and George Best.
Added to the likes of billionaire investors George Soros and John Paulson, the central banks of emerging markets including China, India, and even the oil producers, are retail investors.
Fans can bid on hundreds of items in an online auction, including attending a NASCAR race with WWE superstar John Cena, meeting Tyra Banks on the set of "America's Next Top Model, " or pitching entrepreneurial ideas to Mark Cuban.