collection

Portrait of Arnout van Loon, chalk on paper 38.6 x 31.6 cm, signed l.l.

Gerard Hekking, playing cello, black and coloured chalk on paper 21.6 x 19.7 cm, signed u.r. and dated 1908

'Naturerscheinungen', watercolour and gouache on paper 26.5 x 20.4 cm, signed l.r.

Man and woman in a cafe, pastel on paper 35.5 x 47.6 cm

John Bull playing simultaneous chess, pen and brush, ink and gouache on paper 45.0 x 35.5 cm, signed l.r.

Fair at a Belgian castle, watercolour on painter's board 36.2 x 26.2 cm, signed l.r.

Abstract composition, gouache on paper 77.0 x 68.0 cm, signed l.r. and dated '69

Interior with a showcase, watercolour on paper 32.0 x 30.0 cm, signed l.r.

...What are you looking at Dolf...Is something wrong?, pencil and watercolour on paper 25.5 x 17.1 cm, signed l.l.

A still life with flowers, watercolour on paper 45.4 x 56.8 cm, signed l.l. and painted circa 1970

The choir of St. Martin's in Emmerich, watercolour on paper 55.6 x 41.0 cm, signed l.l. and dated 1859

Oleander, watercolour on paper 45.6 x 30.2 cm

Tropische Früchte, pencil and watercolour on paper 25.5 x 17.1 cm, signed l.l.

Finches, black chalk and watercolour on paper 30.3 x 33.5 cm, signed l.l.

View over rooftops, watercolour on paper 32.2 x 57.5 cm, signed l.r. with initials

Ice maniacs, pencil and watercolour on paper 25.5 x 17.1 cm, signed l.l.

View between trees, chalk on paper 12.6 x 20.1 cm, signed l.r. with initials

At Nova Zembla, gouache on paper 47.5 x 63.0 cm, signed l.l. and to be dated 1880

Jeune femme nue allongée (a study for Les Canotiers), ink and chalk on paper 47.6 x 62.5 cm, signed l.l. and executed ca. 1924

The harbour of Hoorn, black chalk and watercolour on paper 75.8 x 57.0 cm, signed l.r.