Watch List notes:

Koninkrijk NL Willem-Alexander (2013- ) - 2 Euro 2017 'Sint Servaasbrug' in orig. cassette, with certificaat 'Eerste Slag, 2 euro 2017, Maastricht, 30 oktober 2017' - issued during the first strike of this coin and given to the invited guests, mintage ca. 120 cassettes - Proof, rare