Trade world champion for a stamp: ChessBase Cards
Fritz 19 has opened a whole new area, the ChessBase Cards Exchange. There are now trading cards with motifs and information from many areas of the chess world. Cards can be acquired in various ways and traded on the market: "Trade corld champion for a stamp..."
Stefan Knappe Exchange World Champion Kasparov Chess Software World Champion Chessbase Support Centre World Champion Kasparov World Championship
Source: chessbase.com