1915 autographs from Olympic field hockey players, including Teun de Nooijer, Jeroen Delmee, Mijntje Donners, Jeroen Hertzenberger, Ellen Hoog, Ties Kruize, Kim Lammers, Lisanne Lejeune, Paul Litjens, Fatima de Melo, Maartje Paumen, Janneke Schopman, Taeke Taekama, Carole Thate, Naomi van As and Taco den Honert.