Koninkrijk NL Willem-Alexander (2013- ) - 5 Euro 2018 'Fanny Blankers-Koen' in orig. wooden box with imprint 'Eerste Slag Fanny Blankers-Koen Vijfje, Hengelo, 3 juni 2018' - issued during the first strike of this coin and given to the invited guests - mintage ca. 110 sets, Proof, rare