1923, 1 G. On 17 ½ C. Ultramarine / blue, perforated K 12 ½, normal perforation, mint never hinged, superb, Michel 220.- (Image 1) (Image)

1927, "Red Cross", very fine set mint never hinged, Michel 70.- (Image 1) (Image)

1929, 21 on 22 ½ C. Olive brown, mint never hinged, superb, Michel 60.- (Image 1) (Image)

1929, "Voor het child", perforated K 12 ½, very fine set mint never hinged, Michel 75.- (Image 1) (Image)

1930, "the four seasons", perforated K 12 ½, very fine set mint never hinged, Michel 65.- (Image 1) (Image)

1931, "Voor het child", perforated K 12 ½, very fine set mint never hinged, Michel 120.- (Image 1) (Image)

1923, "Voor het child", perforated K 12 ½, very fine set mint never hinged, Michel 110.- (Image 1) (Image)

1933, "400. Birthday of Wilhelm I. ", very fine set mint never hinged, Michel 65.- (Image 1) (Image)

1933, "Sailor aid", very fine set mint never hinged, Michel 150.- (Image 1) (Image)

1933, 80 C. "trade and traffic", mint never hinged, superb, Michel 420.- (Image 1) (Image)

1933, "Voor het child", very fine set mint never hinged, Michel 100.- (Image 1) (Image)

1935, "care", very fine set mint never hinged, Michel 110.- (Image 1) (Image)

1936, "university Utrecht" and "before het child", 2 mint never hinged superb sets, Michel 80.- (Image 1) (Image)

1938 / 9, 3 mint never hinged superb sets, Michel 77.- (Image 1) (Image)

1940, "flying dove", very fine set mint never hinged, Michel 160.- (Image 1) (Image)

1951, 75 C. Red, mint never hinged, superb, Michel 110.- (Image 1) (Image)