The 1999 Topps Baseball Moises Alou #400 trading card features the Houston Astros outfielder in the Major League Baseball (MLB) season. This original card, manufactured by Topps in the United States, is part of the base set and is made of card stock. Despite not being autographed or a vintage piece, this standard-sized sports trading card is a valuable collectible for fans of Moises Alou and the Houston Astros.