Real name of artwork: Sarcofaag (Sarcophagus)

72. 232 Sarcophagus (1988)

Real name of artwork: Sarah (Sarah)

73. 250 Sarah (1988)

Real name of artwork: Blauwe sfinks (Blue sphinx)

74. 225 Blue sphinx (1988-1989)

Real name of artwork: Nieuwe horizon (New horizon)

75. 22 New horizon (1989)

Real name of artwork: Abstractie (Abstraction)

76. 67 Abstraction (1989)

Real name of artwork: Structuren in de ruimte (Structures in space)

77. 49 Structures (1990)

Real name of artwork: De elementen trotseren (Defying the elements)

78. 79 Defying the elements (1990)

Real name of artwork: Ark (Ark)

79. 87 Ark (1990)

Real name of artwork: Oneindigheid (Infinity)

80. 215 Infinity (1990)