Watch List notes:

Nederlandsche Bank, specimen 25 gulden, 10th April 1955, serial number 9XZ 012345-9XZ067890, pink-red, orange and brown, Christiaan Huygens at right, reverse, red, lilac and green, (Pick 87s), in PMG holder 66 Gem UNC EPQ, 'SPECIMEN' written in red diagonally across obverse and reverse, scarce.

Estimate: £250 - £300