Modern Dutch commemorative set of four pieces, marking key royal and constitutional themes of the Kingdom of the Netherlands (2009–2017). Obverse: Each piece bears a distinct commemorative design: – Willem-Alexander depicted awarding the Military William Order, with the inscription referring to the decoration ceremony of 4 December 2014. – Máxima shown in profile, flanked by flags and the United Nations emblem, referring to her work as UN Special Advocate for Inclusive Finance (2009–2017). – Catharina-Amalia portrayed alongside Queen Máxima, commemorating her position as Princess of Orange and the regency arrangement dated 3 December 2013. – Commemorative design marking “200 Jaar Prinsjesdag”, featuring portraits and inscriptions referring to the constitutional tradition of the opening of Parliament, dated 16 September 2014. Reverse: All four pieces share a common reverse design: the Dutch royal coat of arms within a cross-shaped shield, surrounded by the legend “KONINKRIJK DER NEDERLANDEN” and the motto “JE MAINTIENDRAI”, accompanied by heraldic devices in the quarters.end around: “JOURN · BEURT · VOOR · EEN · RONDE.”