Watch List notes:

Koninkrejk der Nederlanden, Zilverbon, a group of proofs from the 1938 issue, 1 gulden (4), first; black text on brown, ornate border, second; brown print, ornate border text at centre, third; brown ornate border, fourth; black text, serial number 428993, 2 1/2 gulden (2), first; blue print, value at centre and at left and right, reverse blue, second; reverse proof, 5 gulden (4), first obverse green and brown, reverse green and brown, second; obverse green and brown, reverse green, third; obverse green and brown, uniface, fourth; obverse green, uniface(Pick 61-63), very fine to uncirculated (10).

Estimate: £600 - £700