BUENOS AIRES. Pro-Patrimonial. blue, yellow, black. No 18929. A little edge-damage and folds. Brightly coloured certificate with large underprint of the football stadium and surroundings. Although many activities are hosted by the club, Boca Juniors is mostly known for its professional football team - the most successful team of Argentina with more than 60 official titles. Its most famous player ever was of course Diego Maradona.