Official paticipation badge of Norddeutscher Fußballverband (North German FA) on occasion of the German leaugue final in Hannover 1957. Borussia Dortmund - Hamburger SV (4:1). Made as a keyring. Backside inscribed "DFB-Endspiel 23.6.57 in Hannover". Front with mounted red enamelled FA emblem. Gilt bronze, (front black enamelled). 3,5x3,5 cm. This badge was given to players, referees and officials only. Personal copy of Borussia Dortmund player Heinrich Kwiatkowski Condition: A-